/* roulang page: index */
:root {
      --bg-main: #0b0e14;
      --bg-card: #151c28;
      --bg-card-hover: #1c2536;
      --bg-light: #0f141c;
      --color-primary: #00e676;
      --color-primary-dark: #00c853;
      --color-accent-amber: #ffb300;
      --color-accent-orange: #ff6d00;
      --color-danger: #ef4444;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-color: #1e293b;
      --border-light: rgba(0, 230, 118, 0.2);
      --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.15);
      --max-width: 1240px;
    }

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

    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button, input, select, textarea {
      font-family: inherit;
    }

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

    /* 顶部服务微型条 */
    .top-bar {
      background-color: #070a0e;
      border-bottom: 1px solid #1a2230;
      font-size: 13px;
      color: var(--text-dim);
      padding: 8px 0;
    }

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

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

    .badge-status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--color-primary);
    }

    .badge-status::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background-color: var(--color-primary);
      box-shadow: 0 0 8px var(--color-primary);
    }

    /* 主导航 */
    .site-header {
      background-color: rgba(15, 20, 28, 0.95);
      backdrop-filter: blur(12px);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border-color);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
    }

    .site-logo svg {
      width: 32px;
      height: 32px;
      fill: var(--color-primary);
    }

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

    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 6px 0;
      position: relative;
    }

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

    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--color-primary);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    /* 按钮样式体系 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .btn-primary {
      background-color: var(--color-primary);
      color: #05140b;
    }

    .btn-primary:hover {
      background-color: #1ef388;
      box-shadow: 0 4px 18px rgba(0, 230, 118, 0.35);
      transform: translateY(-1px);
    }

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

    .btn-outline:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
      background: rgba(0, 230, 118, 0.05);
    }

    .btn-lg {
      padding: 14px 28px;
      font-size: 16px;
      border-radius: var(--radius-md);
    }

    /* 板块统一间距与标题 */
    .section-wrap {
      padding: 88px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .section-head {
      margin-bottom: 48px;
      max-width: 800px;
    }

    .section-head.text-center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .section-tag {
      display: inline-block;
      color: var(--color-primary);
      background: rgba(0, 230, 118, 0.08);
      border: 1px solid var(--border-light);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. Hero 板块 */
    .hero-section {
      padding: 72px 0 96px;
      background: radial-gradient(circle at 80% 20%, rgba(0, 230, 118, 0.08) 0%, transparent 60%),
                  radial-gradient(circle at 10% 60%, rgba(21, 28, 40, 0.6) 0%, transparent 60%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-bg-cover {
      position: absolute;
      top: 0;
      right: 0;
      width: 55%;
      height: 100%;
      opacity: 0.12;
      object-fit: cover;
      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-h1 {
      font-size: 46px;
      line-height: 1.25;
      font-weight: 800;
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-h1 span {
      color: var(--color-primary);
    }

    .hero-lead {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 32px;
    }

    .hero-cta-group {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 36px;
    }

    .hero-trust-badges {
      display: flex;
      gap: 24px;
      padding-top: 24px;
      border-top: 1px solid #1a2333;
    }

    .trust-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
    }

    .trust-item svg {
      width: 16px;
      height: 16px;
      fill: var(--color-primary);
    }

    /* 首屏拟真交互看板 */
    .dashboard-preview {
      background: var(--bg-card);
      border: 1px solid #233045;
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-card), var(--shadow-glow);
      position: relative;
    }

    .preview-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid #1f2b3e;
    }

    .preview-title {
      font-size: 14px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .live-dot {
      width: 8px;
      height: 8px;
      background-color: var(--color-primary);
      border-radius: 50%;
    }

    .bracket-stage {
      display: grid;
      gap: 12px;
    }

    .bracket-card {
      background: #0f1622;
      border: 1px solid #1e2a3c;
      padding: 12px 16px;
      border-radius: var(--radius-sm);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    .bracket-team {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .team-badge {
      width: 20px;
      height: 20px;
      background: #1b2636;
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 700;
      color: var(--color-primary);
    }

    .bracket-score {
      font-family: "DIN Alternate", Trebuchet MS, sans-serif;
      font-size: 16px;
      font-weight: 700;
      color: var(--color-accent-amber);
    }

    .preview-footer-stat {
      margin-top: 18px;
      padding-top: 14px;
      border-top: 1px dashed #1e2a3c;
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 2. 传统排程痛点区 */
    .pain-points-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .pain-card {
      background: #121824;
      border: 1px solid #202b3c;
      padding: 24px;
      border-radius: var(--radius-md);
      position: relative;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    .pain-card:hover {
      transform: translateY(-3px);
      border-color: rgba(239, 68, 68, 0.4);
    }

    .pain-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: rgba(239, 68, 68, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
      color: var(--color-danger);
    }

    .pain-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: #f1f5f9;
    }

    .pain-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .pain-contrast {
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid #1a2433;
      font-size: 13px;
      color: var(--color-primary);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 3. 核心架构与调度引擎 */
    .solutions-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 56px;
    }

    .solutions-row.reverse {
      grid-template-columns: 1fr 1fr;
      direction: rtl;
    }

    .solutions-row.reverse > * {
      direction: ltr;
    }

    .solution-img-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .solution-img-box img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .solution-img-box:hover img {
      transform: scale(1.02);
    }

    .solution-content h3 {
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 14px;
      line-height: 1.35;
    }

    .solution-content p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .feature-list {
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 14px;
      color: var(--text-main);
    }

    .feature-list li svg {
      width: 16px;
      height: 16px;
      fill: var(--color-primary);
      flex-shrink: 0;
      margin-top: 4px;
    }

    /* 4. 优势特性矩阵 6 卡片 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .matrix-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 30px;
      border-radius: var(--radius-md);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .matrix-card:hover {
      border-color: var(--border-light);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
    }

    .matrix-icon {
      width: 48px;
      height: 48px;
      background: rgba(0, 230, 118, 0.1);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--color-primary);
    }

    .matrix-card h4 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
    }

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

    /* 5. 热门赛制与方案版本 3 卡片 */
    .pricing-tier-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .tier-card {
      background: #111722;
      border: 1px solid #1f2c3f;
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .tier-card.featured {
      background: #151e2d;
      border-color: var(--color-primary);
      box-shadow: var(--shadow-glow);
    }

    .tier-ribbon {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--color-primary);
      color: #000;
      font-size: 12px;
      font-weight: 700;
      padding: 3px 14px;
      border-radius: 12px;
    }

    .tier-name {
      font-size: 22px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .tier-target {
      font-size: 14px;
      color: var(--text-dim);
      margin-bottom: 24px;
      min-height: 42px;
    }

    .tier-specs {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
      display: grid;
      gap: 12px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .tier-specs li {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .tier-specs li::before {
      content: "•";
      color: var(--color-primary);
      font-size: 20px;
      line-height: 0;
    }

    /* 6. 工作流推进区 */
    .timeline-workflow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .timeline-workflow::before {
      content: "";
      position: absolute;
      top: 36px;
      left: 60px;
      right: 60px;
      height: 2px;
      background: #1e2b3c;
      z-index: 1;
    }

    .step-item {
      position: relative;
      z-index: 2;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }

    .step-number {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #0d121a;
      border: 2px solid var(--color-primary);
      color: var(--color-primary);
      font-family: "DIN Alternate", Trebuchet MS, sans-serif;
      font-size: 20px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 18px;
    }

    .step-item h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
    }

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

    /* 7. 深色理念与技术壁垒区 */
    .tech-deep-section {
      background: #06090d;
      border-top: 1px solid #1a2230;
      border-bottom: 1px solid #1a2230;
    }

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

    .terminal-window {
      background: #0a0e14;
      border: 1px solid #1e2736;
      border-radius: var(--radius-md);
      font-family: monospace;
      padding: 20px;
      font-size: 13px;
      box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.8);
    }

    .terminal-bar {
      display: flex;
      gap: 6px;
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid #19202c;
    }

    .terminal-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #2a3547;
    }

    .terminal-code {
      color: #94a3b8;
      line-height: 1.8;
    }

    .terminal-code .hl-green { color: var(--color-primary); }
    .terminal-code .hl-yellow { color: var(--color-accent-amber); }
    .terminal-code .hl-blue { color: #38bdf8; }

    /* 8. 关键数据指标统计条 */
    .metrics-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #111722;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px 24px;
      text-align: center;
    }

    .metric-item {
      padding: 0 16px;
      border-right: 1px solid #1c2738;
    }

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

    .metric-num {
      font-family: "DIN Alternate", Trebuchet MS, sans-serif;
      font-size: 44px;
      font-weight: 800;
      color: var(--color-primary);
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-label {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 9. 客户成功故事与标杆案例 */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 28px;
    }

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

    .case-media {
      height: 220px;
      position: relative;
      overflow: hidden;
    }

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

    .case-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(11, 14, 20, 0.85);
      border: 1px solid var(--border-color);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 12px;
      color: var(--color-primary);
    }

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

    .case-body h4 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .case-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .case-meta {
      display: flex;
      justify-content: space-between;
      border-top: 1px solid #1e293b;
      padding-top: 14px;
      font-size: 13px;
      color: var(--text-dim);
    }

    /* 10. 用户评价与现场口碑区 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .testimonial-card {
      background: rgba(21, 28, 40, 0.7);
      backdrop-filter: blur(8px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }

    .rating-stars {
      color: var(--color-accent-amber);
      font-size: 14px;
      margin-bottom: 14px;
      letter-spacing: 2px;
    }

    .testimonial-card p {
      font-size: 14px;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .user-profile {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #1c2738;
      padding-top: 14px;
    }

    .user-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #1c2636;
      border: 1px solid var(--border-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--color-primary);
      font-size: 15px;
    }

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

    .user-info span {
      font-size: 12px;
      color: var(--text-dim);
    }

    /* 11. 资讯与编排百科内嵌区 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .insight-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease;
    }

    .insight-card:hover {
      transform: translateY(-3px);
      border-color: #27364b;
    }

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

    .insight-meta {
      display: flex;
      gap: 12px;
      font-size: 12px;
      color: var(--color-primary);
      margin-bottom: 12px;
    }

    .insight-body h4 {
      font-size: 17px;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 10px;
    }

    .insight-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .insight-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--text-main);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

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

    /* 12. FAQ 手风琴区 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: grid;
      gap: 14px;
    }

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

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 20px 24px;
      background: none;
      border: none;
      color: var(--text-main);
      font-size: 16px;
      font-weight: 700;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      gap: 16px;
    }

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

    .faq-arrow {
      width: 18px;
      height: 18px;
      transition: transform 0.25s ease;
      fill: currentColor;
      flex-shrink: 0;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #0f1520;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 13. 底部终极转化区 */
    .cta-banner-section {
      background: linear-gradient(135deg, #111824 0%, #0d121a 100%);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      margin: 40px auto;
      box-shadow: var(--shadow-card);
      position: relative;
      overflow: hidden;
    }

    .cta-flex {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .cta-form {
      background: #17202e;
      padding: 28px;
      border-radius: var(--radius-md);
      border: 1px solid #233147;
      display: grid;
      gap: 14px;
    }

    .form-group input, .form-group select {
      width: 100%;
      background: #0d131c;
      border: 1px solid #24334a;
      padding: 12px 14px;
      border-radius: var(--radius-sm);
      color: var(--text-main);
      font-size: 14px;
      outline: none;
    }

    .form-group input:focus, .form-group select:focus {
      border-color: var(--color-primary);
    }

    /* 全局页脚 */
    .site-footer {
      background-color: #070a0e;
      border-top: 1px solid var(--border-color);
      padding: 64px 0 32px;
      font-size: 14px;
      color: var(--text-muted);
    }

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

    .footer-brand h4 {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-brand p {
      line-height: 1.7;
      font-size: 13px;
      margin-bottom: 18px;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }

    .footer-links {
      list-style: none;
      display: grid;
      gap: 10px;
    }

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

    .footer-bottom {
      border-top: 1px solid #141c28;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--text-dim);
    }

    /* 移动端汉堡与响应式 */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: var(--text-main);
      cursor: pointer;
      padding: 8px;
    }

    .mobile-menu-btn svg {
      width: 26px;
      height: 26px;
    }

    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; gap: 40px; }
      .pain-points-grid { grid-template-columns: repeat(2, 1fr); }
      .matrix-grid { grid-template-columns: repeat(2, 1fr); }
      .pricing-tier-grid { grid-template-columns: 1fr; }
      .timeline-workflow { grid-template-columns: repeat(2, 1fr); gap: 20px; }
      .timeline-workflow::before { display: none; }
      .tech-grid { grid-template-columns: 1fr; }
      .metrics-row { grid-template-columns: repeat(2, 1fr); }
      .metric-item:nth-child(2) { border-right: none; }
      .metric-item { margin-bottom: 20px; }
      .cases-grid { grid-template-columns: 1fr; }
      .testimonial-grid { grid-template-columns: 1fr; }
      .insights-grid { grid-template-columns: 1fr; }
      .cta-flex { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .top-bar { display: none; }
      .nav-links, .nav-actions { display: none; }
      .mobile-menu-btn { display: block; }
      .hero-h1 { font-size: 32px; }
      .section-title { font-size: 24px; }
      .pain-points-grid { grid-template-columns: 1fr; }
      .matrix-grid { grid-template-columns: 1fr; }
      .solutions-row, .solutions-row.reverse { grid-template-columns: 1fr; }
      .metrics-row { grid-template-columns: 1fr; }
      .metric-item { border-right: none; border-bottom: 1px solid #1c2738; padding-bottom: 16px; }
      .metric-item:last-child { border-bottom: none; }
      .footer-top { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      
      /* 移动端菜单抽屉 */
      .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #0f141c;
        border-bottom: 1px solid var(--border-color);
        padding: 24px;
        gap: 16px;
      }
    }

/* roulang page: category1 */
:root {
      --bg-main: #0b0e14;
      --bg-card: #151c28;
      --bg-card-hover: #1c2536;
      --bg-light: #0f141c;
      --color-primary: #00e676;
      --color-primary-dark: #00c853;
      --color-accent-amber: #ffb300;
      --color-accent-orange: #ff6d00;
      --color-danger: #ef4444;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-color: #1e293b;
      --border-light: rgba(0, 230, 118, 0.2);
      --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-card: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 0 20px rgba(0, 230, 118, 0.15);
      --max-width: 1240px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
    }
    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部主导航 */
    .site-header {
      background-color: rgba(15, 20, 28, 0.95);
      backdrop-filter: blur(12px);
      position: sticky;
      top: 0;
      z-index: 1000;
      border-bottom: 1px solid var(--border-color);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
    }
    .site-logo svg {
      width: 32px;
      height: 32px;
      fill: var(--color-primary);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 6px 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--color-primary);
    }
    .nav-link.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--color-primary);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: var(--text-main);
      cursor: pointer;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
    }
    .mobile-menu-btn svg {
      width: 28px;
      height: 28px;
    }

    /* 按钮通用体系 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      font-size: 14px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .btn-primary {
      background-color: var(--color-primary);
      color: #05140b;
    }
    .btn-primary:hover {
      background-color: #1ef388;
      box-shadow: 0 4px 18px rgba(0, 230, 118, 0.35);
      transform: translateY(-1px);
    }
    .btn-outline {
      background: transparent;
      border-color: var(--border-color);
      color: var(--text-main);
    }
    .btn-outline:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
      background: rgba(0, 230, 118, 0.05);
    }
    .btn-sm {
      padding: 6px 14px;
      font-size: 13px;
    }

    /* 通用板块与排版 */
    .section-wrap {
      padding: 80px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .section-head {
      margin-bottom: 44px;
    }
    .section-head.text-center {
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      color: var(--color-primary);
      background: rgba(0, 230, 118, 0.08);
      border: 1px solid var(--border-light);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 30px;
      font-weight: 800;
      line-height: 1.35;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 1. 分类紧凑头部 */
    .cat-hero {
      padding: 48px 0 56px;
      background: linear-gradient(180deg, #111722 0%, var(--bg-main) 100%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .breadcrumb-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-dim);
      margin-bottom: 20px;
    }
    .breadcrumb-nav a:hover {
      color: var(--color-primary);
    }
    .cat-hero-title {
      font-size: 36px;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .cat-hero-title span {
      color: var(--color-primary);
    }
    .cat-hero-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 880px;
      line-height: 1.8;
    }

    /* 2. 方案与赛事类型多维筛选条 */
    .filter-section {
      background-color: #0f141f;
      border-bottom: 1px solid var(--border-color);
      padding: 24px 0;
      position: sticky;
      top: 76px;
      z-index: 900;
      backdrop-filter: blur(8px);
    }
    .filter-group-wrap {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .filter-label {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-dim);
      min-width: 76px;
    }
    .filter-pills {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-pill {
      font-size: 13px;
      padding: 5px 14px;
      border-radius: 20px;
      background: #151d2a;
      border: 1px solid var(--border-color);
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s ease;
      user-select: none;
    }
    .filter-pill:hover {
      border-color: rgba(0, 230, 118, 0.4);
      color: var(--text-main);
    }
    .filter-pill.active {
      background: rgba(0, 230, 118, 0.15);
      border-color: var(--color-primary);
      color: var(--color-primary);
      font-weight: 600;
    }

    /* 3. 方案列表与案例卡片主体区 */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .solution-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }
    .solution-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-light);
      box-shadow: var(--shadow-card);
    }
    .card-thumb-wrap {
      position: relative;
      height: 190px;
      overflow: hidden;
      background-color: #0b0e14;
    }
    .card-thumb {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .solution-card:hover .card-thumb {
      transform: scale(1.05);
    }
    .card-type-tag {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(11, 14, 20, 0.85);
      backdrop-filter: blur(4px);
      border: 1px solid var(--border-color);
      color: var(--color-primary);
      font-size: 12px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 4px;
    }
    .card-status-badge {
      position: absolute;
      top: 14px;
      right: 14px;
      background: rgba(0, 230, 118, 0.2);
      border: 1px solid var(--color-primary);
      color: #00e676;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
    }
    .card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .card-title {
      font-size: 19px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 12px;
      color: var(--text-main);
    }
    .card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .card-specs {
      background: rgba(11, 14, 20, 0.5);
      border: 1px solid #1a2230;
      border-radius: var(--radius-sm);
      padding: 12px 14px;
      margin-bottom: 20px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      font-size: 12px;
    }
    .spec-item {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .spec-k {
      color: var(--text-dim);
    }
    .spec-v {
      color: var(--text-main);
      font-weight: 600;
    }
    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-bottom: 20px;
    }
    .tech-tag {
      font-size: 11px;
      background: #1a2332;
      color: #cbd5e1;
      padding: 2px 8px;
      border-radius: 3px;
    }
    .card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 16px;
      border-top: 1px solid #1e2838;
    }
    .delivery-period {
      font-size: 12px;
      color: var(--text-dim);
    }
    .delivery-period strong {
      color: var(--color-accent-amber);
    }

    /* 4. 赛程编排算法标准与合规支撑区 */
    .standards-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .standard-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
    }
    .standard-box-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
    }
    .standard-icon-box {
      width: 44px;
      height: 44px;
      background: rgba(0, 230, 118, 0.1);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-primary);
      flex-shrink: 0;
    }
    .standard-icon-box svg {
      width: 24px;
      height: 24px;
    }
    .standard-box-title {
      font-size: 18px;
      font-weight: 700;
    }
    .standard-box-subtitle {
      font-size: 13px;
      color: var(--text-dim);
    }
    .standard-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .standard-item {
      display: flex;
      gap: 12px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }
    .standard-item svg {
      width: 18px;
      height: 18px;
      fill: var(--color-primary);
      flex-shrink: 0;
      margin-top: 3px;
    }
    .standard-item strong {
      color: var(--text-main);
    }

    /* 5. 典型赛事部署场景拓扑支撑区 */
    .topology-container {
      background: #0f1520;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
    }
    .topology-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .topo-node {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .topo-node::after {
      content: "➔";
      position: absolute;
      right: -16px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 18px;
      color: var(--color-primary);
      z-index: 2;
    }
    .topo-node:last-child::after {
      display: none;
    }
    .topo-step {
      font-size: 12px;
      font-weight: 800;
      color: var(--color-primary);
      margin-bottom: 8px;
      letter-spacing: 1px;
    }
    .topo-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .topo-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .topo-metrics {
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px dashed var(--border-color);
      font-size: 12px;
      color: var(--color-accent-amber);
    }

    /* 6. 分类专属高频问答支撑区 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }
    .faq-item.active {
      border-color: var(--border-light);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-weight: 700;
      font-size: 16px;
      user-select: none;
    }
    .faq-question:hover {
      color: var(--color-primary);
    }
    .faq-icon {
      width: 20px;
      height: 20px;
      transition: transform 0.25s ease;
      color: var(--text-dim);
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
      color: var(--color-primary);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
      background: rgba(11, 14, 20, 0.4);
    }
    .faq-item.active .faq-answer {
      max-height: 500px;
      transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
    }
    .faq-answer-inner {
      padding: 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.75;
      border-top: 1px solid var(--border-color);
    }

    /* 7. 分类转化与定制方案对接区 */
    .cta-card-box {
      background: linear-gradient(135deg, #151d2a 0%, #0d121b 100%);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
      box-shadow: var(--shadow-glow);
    }
    .cta-left h3 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.35;
    }
    .cta-left p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .cta-points {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .cta-point {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: #cbd5e1;
    }
    .cta-point svg {
      width: 16px;
      height: 16px;
      fill: var(--color-primary);
      flex-shrink: 0;
    }
    .cta-form-box {
      background: rgba(11, 14, 20, 0.7);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-muted);
    }
    .form-control {
      width: 100%;
      background: #151d2a;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      color: var(--text-main);
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: var(--color-primary);
    }
    .form-select {
      appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 14px center;
    }

    /* 页脚样式 */
    .site-footer {
      background-color: #080a0f;
      border-top: 1px solid var(--border-color);
      padding: 64px 0 32px;
      color: var(--text-muted);
      font-size: 14px;
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
      color: var(--text-muted);
    }
    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: 0.5px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: var(--color-primary);
    }
    .footer-bottom {
      padding-top: 28px;
      border-top: 1px solid #141c28;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: var(--text-dim);
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .topology-flow {
        grid-template-columns: repeat(2, 1fr);
        gap: 28px;
      }
      .topo-node::after {
        display: none;
      }
      .cta-card-box {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .site-header {
        position: relative;
      }
      .mobile-menu-btn {
        display: flex;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background-color: #0f141c;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-actions {
        display: none;
      }
      .filter-section {
        position: static;
      }
      .solutions-grid {
        grid-template-columns: 1fr;
      }
      .standards-grid {
        grid-template-columns: 1fr;
      }
      .topology-flow {
        grid-template-columns: 1fr;
      }
      .cat-hero-title {
        font-size: 26px;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }