/* roulang page: index */
:root {
      --bg-dark: #0A0D14;
      --bg-card: #121824;
      --bg-card-hover: #162032;
      --border-line: #1F293D;
      --border-focus: #00FF88;
      --neon-green: #00FF88;
      --accent-indigo: #6366F1;
      --accent-cyan: #06B6D4;
      --text-main: #F1F5F9;
      --text-muted: #94A3B8;
      --text-dim: #64748B;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --container-w: 1280px;
      --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
      --shadow-card: 0 8px 24px -4px rgba(0, 0, 0, 0.5);
      --shadow-glow: 0 0 25px rgba(0, 255, 136, 0.15);
    }

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

    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

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

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

    /* 顶部系统条与导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10, 13, 20, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-line);
    }

    .top-sys-bar {
      border-bottom: 1px solid rgba(31, 41, 61, 0.6);
      font-size: 12px;
      padding: 6px 0;
      color: var(--text-muted);
    }
    .top-sys-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-pulse {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--neon-green);
      box-shadow: 0 0 8px var(--neon-green);
      animation: pulseAnim 2s infinite;
    }
    @keyframes pulseAnim {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.2); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }

    .main-nav-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 0;
    }
    .brand-logo {
      font-size: 19px;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-logo span {
      background: linear-gradient(135deg, #00FF88 0%, #6366F1 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
      align-items: center;
      font-size: 14px;
      font-weight: 500;
    }
    .nav-links a {
      color: var(--text-muted);
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--neon-green);
    }
    .nav-cta-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(0, 255, 136, 0.1);
      border: 1px solid var(--neon-green);
      color: var(--neon-green);
      padding: 8px 18px;
      border-radius: var(--radius-sm);
      font-size: 13px;
      font-weight: 600;
    }
    .nav-cta-btn:hover {
      background: var(--neon-green);
      color: #000;
    }

    /* 按钮通用 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 26px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      gap: 8px;
    }
    .btn-primary {
      background: var(--neon-green);
      color: #06090e;
      font-weight: 700;
      box-shadow: 0 4px 14px rgba(0, 255, 136, 0.3);
    }
    .btn-primary:hover {
      background: #1aff96;
      transform: translateY(-2px);
    }
    .btn-outline {
      background: rgba(31, 41, 61, 0.4);
      border: 1px solid var(--border-line);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--neon-green);
      color: var(--neon-green);
      background: rgba(0, 255, 136, 0.05);
    }

    /* 板块结构 */
    .app-section {
      padding: 86px 0;
      border-bottom: 1px solid var(--border-line);
      position: relative;
    }
    .section-alt {
      background: #0d121c;
    }
    .section-header {
      max-width: 820px;
      margin-bottom: 52px;
    }
    .sec-badge {
      display: inline-block;
      font-size: 11px;
      font-family: var(--font-mono);
      font-weight: 600;
      color: var(--neon-green);
      background: rgba(0, 255, 136, 0.08);
      border: 1px solid rgba(0, 255, 136, 0.25);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .sec-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.25;
      letter-spacing: -0.5px;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .sec-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. 首屏拼团转化 Hero */
    .hero-banner-sec {
      position: relative;
      background: linear-gradient(180deg, rgba(10, 13, 20, 0.7) 0%, rgba(10, 13, 20, 0.95) 100%), url('/assets/images/41b6a65107c7dc79.jpg') center/cover no-repeat;
      padding: 96px 0 88px;
      border-bottom: 1px solid var(--border-line);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: center;
    }
    .hero-h1 {
      font-size: 44px;
      line-height: 1.18;
      font-weight: 800;
      letter-spacing: -1px;
      margin-bottom: 20px;
      color: #FFFFFF;
    }
    .hero-h1 span {
      color: var(--neon-green);
    }
    .hero-intro {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 28px;
    }
    .team-cohort-box {
      background: rgba(18, 24, 36, 0.85);
      border: 1px solid var(--border-line);
      border-left: 3px solid var(--neon-green);
      padding: 18px 24px;
      border-radius: var(--radius-md);
      margin-bottom: 30px;
      backdrop-filter: blur(8px);
    }
    .cohort-status {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
      font-size: 13px;
    }
    .cohort-tag {
      color: var(--neon-green);
      font-family: var(--font-mono);
      font-weight: 700;
    }
    .cohort-progress {
      width: 100%;
      height: 6px;
      background: #1f293d;
      border-radius: 3px;
      overflow: hidden;
      margin-bottom: 10px;
    }
    .cohort-fill {
      width: 76%;
      height: 100%;
      background: linear-gradient(90deg, #6366F1, #00FF88);
    }
    .hero-btns {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .hero-monitor-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-card);
      position: relative;
    }
    .monitor-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-line);
      font-family: var(--font-mono);
      font-size: 13px;
    }
    .pulse-rate {
      color: var(--neon-green);
      font-weight: 600;
    }

    /* 2. 核心架构与协议链路 */
    .arch-flow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .flow-node {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      padding: 24px 20px;
      border-radius: var(--radius-md);
      position: relative;
      transition: all 0.25s ease;
    }
    .flow-node:hover {
      border-color: var(--neon-green);
      transform: translateY(-4px);
    }
    .flow-step-num {
      font-family: var(--font-mono);
      font-size: 11px;
      color: var(--accent-indigo);
      font-weight: 700;
      margin-bottom: 8px;
    }
    .flow-node h3 {
      font-size: 17px;
      margin-bottom: 10px;
      color: #fff;
    }
    .flow-node p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. 跨平台多维优势矩阵 */
    .matrix-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .matrix-card:hover {
      border-color: var(--neon-green);
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }
    .matrix-card-top h3 {
      font-size: 18px;
      margin: 12px 0 10px;
      color: #ffffff;
    }
    .matrix-card-top p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }
    .metric-meter {
      margin-top: 20px;
      padding-top: 14px;
      border-top: 1px dashed var(--border-line);
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      font-family: var(--font-mono);
      color: var(--neon-green);
    }

    /* 4. 热门分析套件三卡片 */
    .suites-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .suite-box {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .suite-img-wrap {
      height: 180px;
      overflow: hidden;
      border-bottom: 1px solid var(--border-line);
    }
    .suite-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .suite-box:hover .suite-img-wrap img {
      transform: scale(1.05);
    }
    .suite-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .suite-body h3 {
      font-size: 18px;
      color: #fff;
      margin-bottom: 10px;
    }
    .suite-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
    }
    .suite-specs {
      background: rgba(10, 13, 20, 0.6);
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      font-size: 12px;
      font-family: var(--font-mono);
      color: var(--accent-cyan);
    }

    /* 5. 深色极客工作台大屏演示 */
    .console-board {
      background: #07090F;
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 16px 36px rgba(0,0,0,0.6);
    }
    .console-nav-tab {
      background: #111723;
      padding: 12px 20px;
      display: flex;
      gap: 16px;
      border-bottom: 1px solid var(--border-line);
      align-items: center;
      font-family: var(--font-mono);
      font-size: 13px;
    }
    .tab-pill {
      padding: 4px 12px;
      border-radius: 4px;
      color: var(--text-muted);
      cursor: pointer;
    }
    .tab-pill.active {
      background: rgba(0, 255, 136, 0.15);
      color: var(--neon-green);
      border: 1px solid var(--neon-green);
    }
    .console-main-view {
      padding: 30px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 28px;
    }
    .chart-panel-mock {
      background: #0E131E;
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 20px;
    }
    .mock-chart-line {
      height: 170px;
      display: flex;
      align-items: flex-end;
      gap: 12px;
      padding-top: 20px;
      border-bottom: 1px solid #1F293D;
    }
    .bar-col {
      flex: 1;
      background: linear-gradient(180deg, var(--neon-green) 0%, rgba(0,255,136,0.15) 100%);
      border-radius: 3px 3px 0 0;
      position: relative;
    }
    .stream-feed-list {
      font-family: var(--font-mono);
      font-size: 12px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .stream-item {
      padding: 8px 12px;
      background: #121824;
      border-left: 2px solid var(--accent-indigo);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      color: var(--text-muted);
    }

    /* 6. 开发者案例与端游手游转化双栏 */
    .case-dual-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .case-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 32px;
      position: relative;
    }
    .case-studio-tag {
      font-size: 12px;
      color: var(--neon-green);
      font-family: var(--font-mono);
      margin-bottom: 8px;
    }
    .case-card h3 {
      font-size: 20px;
      margin-bottom: 14px;
      color: #fff;
    }
    .case-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .case-stat-row {
      display: flex;
      gap: 24px;
      border-top: 1px solid var(--border-line);
      padding-top: 18px;
    }
    .c-stat-val {
      font-size: 24px;
      font-weight: 700;
      font-family: var(--font-mono);
      color: #fff;
    }
    .c-stat-lbl {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 7. 实时数据吞吐与性能指标统计条 */
    .metrics-bar-section {
      background: radial-gradient(circle at 50% 50%, #151d2e 0%, #0a0d14 100%);
      padding: 60px 0;
      border-bottom: 1px solid var(--border-line);
    }
    .counter-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .counter-item {
      padding: 16px;
    }
    .counter-val {
      font-size: 42px;
      font-family: var(--font-mono);
      font-weight: 800;
      color: var(--neon-green);
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .counter-desc {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 8. 全球运营口碑瀑布流 */
    .reviews-waterfall {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-bubble {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 24px;
      font-size: 14px;
      line-height: 1.7;
      color: var(--text-muted);
      position: relative;
    }
    .bubble-author {
      margin-top: 18px;
      padding-top: 12px;
      border-top: 1px solid var(--border-line);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
    }
    .author-name {
      font-weight: 600;
      color: #fff;
    }
    .platform-scope {
      color: var(--accent-indigo);
      font-family: var(--font-mono);
    }

    /* 9. 蓝图主干：左资讯流 + 右热榜专题 */
    .stream-rank-layout {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 36px;
      margin-top: 20px;
    }
    .feed-article-item {
      display: flex;
      gap: 20px;
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 20px;
      margin-bottom: 20px;
      transition: all 0.25s ease;
    }
    .feed-article-item:hover {
      border-color: var(--neon-green);
      transform: translateX(4px);
    }
    .feed-thumb {
      width: 190px;
      height: 120px;
      flex-shrink: 0;
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .feed-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .feed-info h3 {
      font-size: 17px;
      color: #fff;
      margin-bottom: 8px;
    }
    .feed-info p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 12px;
    }
    .feed-meta {
      font-size: 12px;
      color: var(--text-dim);
      font-family: var(--font-mono);
    }

    .rank-widget {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 24px;
    }
    .rank-widget h3 {
      font-size: 18px;
      color: #fff;
      margin-bottom: 20px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-line);
    }
    .rank-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .rank-row {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      font-size: 13px;
    }
    .rank-num {
      width: 20px;
      font-family: var(--font-mono);
      font-weight: 700;
      color: var(--neon-green);
    }
    .rank-txt {
      color: var(--text-muted);
      line-height: 1.5;
    }
    .rank-txt:hover {
      color: #fff;
    }

    /* 10. 部署模式与矩阵表 */
    .plan-pricing-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 10px;
      background: var(--bg-card);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-line);
      font-size: 14px;
    }
    .plan-pricing-table th, .plan-pricing-table td {
      padding: 18px 24px;
      text-align: left;
      border-bottom: 1px solid var(--border-line);
    }
    .plan-pricing-table th {
      background: #151d2d;
      color: #fff;
      font-weight: 600;
    }
    .plan-pricing-table tr:hover td {
      background: rgba(255, 255, 255, 0.02);
    }
    .tag-check {
      color: var(--neon-green);
      font-weight: 700;
    }

    /* 11. FAQ 手风琴折叠 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .faq-item summary {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.2s ease;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary:hover {
      background: rgba(255,255,255,0.03);
    }
    .faq-item summary::after {
      content: "+";
      font-size: 20px;
      color: var(--neon-green);
    }
    .faq-item[open] summary::after {
      content: "−";
    }
    .faq-content {
      padding: 0 24px 20px 24px;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    /* 12. 极速试用与技术对接预约表单 */
    .trial-box-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 40px;
    }
    .trial-form-wrap form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .form-row {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-row label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }
    .form-row input, .form-row select, .form-row textarea {
      background: #0A0D14;
      border: 1px solid var(--border-line);
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s ease;
    }
    .form-row input:focus, .form-row select:focus, .form-row textarea:focus {
      border-color: var(--neon-green);
    }

    /* 13. 底部收口行动区 */
    .cta-final-sec {
      padding: 70px 0;
      background: linear-gradient(180deg, #101623 0%, #06090e 100%);
      text-align: center;
    }
    .cta-box-center {
      max-width: 760px;
      margin: 0 auto;
    }
    .cta-box-center h2 {
      font-size: 30px;
      color: #fff;
      margin-bottom: 16px;
    }
    .cta-box-center p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 30px;
    }

    /* 页脚 Footer */
    .site-footer {
      background: #06080D;
      border-top: 1px solid var(--border-line);
      padding: 60px 0 30px;
      color: var(--text-dim);
      font-size: 13px;
    }
    .footer-col-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand-title {
      font-size: 16px;
      color: #fff;
      font-weight: 700;
      margin-bottom: 14px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links-list a:hover {
      color: var(--neon-green);
    }
    .footer-bot-bar {
      border-top: 1px solid #141B28;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 12px;
    }

    /* 移动端与自适应响应式 */
    @media (max-width: 1024px) {
      .hero-grid, .trial-box-grid, .case-dual-row, .stream-rank-layout, .console-main-view {
        grid-template-columns: 1fr;
      }
      .matrix-cards, .suites-grid, .reviews-waterfall {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-flow-grid, .counter-grid, .footer-col-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .app-section {
        padding: 50px 0;
      }
      .hero-banner-sec {
        padding: 60px 0 50px;
      }
      .hero-h1 {
        font-size: 30px;
      }
      .sec-title {
        font-size: 24px;
      }
      .matrix-cards, .suites-grid, .reviews-waterfall, .arch-flow-grid, .counter-grid, .footer-col-grid {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
      }
      .top-sys-inner {
        flex-direction: column;
        gap: 4px;
        text-align: center;
      }
      .feed-article-item {
        flex-direction: column;
      }
      .feed-thumb {
        width: 100%;
        height: 160px;
      }
      .footer-bot-bar {
        flex-direction: column;
        text-align: center;
      }
    }