/* roulang page: index */
:root {
      --primary: #00C06D;
      --primary-hover: #00a85f;
      --accent: #0F1E36;
      --accent-light: #1A3156;
      --bg-light: #F7F9FB;
      --bg-white: #FFFFFF;
      --bg-dark: #0A0F18;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      --border-color: #E2E8F0;
      --alert: #FF4B4B;
      --card-shadow: 0 4px 20px -2px rgba(15, 30, 54, 0.05);
      --card-shadow-hover: 0 12px 30px -4px rgba(15, 30, 54, 0.12);
      --radius: 12px;
      --transition: all 0.3s ease;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    .num-font {
      font-family: "DIN Alternate", "Roboto Mono", "Helvetica Neue", sans-serif;
      font-feature-settings: "tnum";
      font-variant-numeric: tabular-nums;
    }

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

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

    /* 顶部双行白底导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: var(--bg-white);
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
    }

    .top-utility-bar {
      background: #F1F5F9;
      border-bottom: 1px solid var(--border-color);
      font-size: 13px;
      color: var(--text-muted);
      padding: 6px 0;
    }

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

    .live-pulse {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--accent);
      font-weight: 500;
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(0, 192, 109, 0.7);
      animation: pulse 1.6s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 192, 109, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(0, 192, 109, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 192, 109, 0); }
    }

    .main-nav-bar {
      padding: 14px 0;
      border-bottom: 1px solid var(--border-color);
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--accent);
      letter-spacing: -0.5px;
    }

    .brand-logo i {
      color: var(--primary);
      font-size: 26px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 28px;
      margin: 0;
    }

    .nav-links a {
      font-weight: 600;
      font-size: 15px;
      color: var(--text-main);
      position: relative;
      padding: 4px 0;
    }

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

    .nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

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

    .search-pill {
      display: flex;
      align-items: center;
      background: #F1F5F9;
      border-radius: 20px;
      padding: 6px 14px;
      border: 1px solid transparent;
      transition: var(--transition);
    }

    .search-pill:focus-within {
      border-color: var(--primary);
      background: #FFF;
    }

    .search-pill input {
      border: none;
      background: transparent;
      box-shadow: none;
      margin: 0;
      padding: 0 0 0 8px;
      font-size: 13px;
      outline: none;
      width: 130px;
    }

    .btn-capsule {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background-color: var(--primary);
      color: #FFFFFF !important;
      font-weight: 600;
      padding: 10px 22px;
      border-radius: 30px;
      font-size: 14px;
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }

    .btn-capsule:hover {
      background-color: var(--primary-hover);
      box-shadow: 0 4px 14px rgba(0, 192, 109, 0.35);
      transform: translateY(-1px);
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      color: var(--accent);
      border: 1px solid var(--border-color);
      padding: 10px 22px;
      border-radius: 30px;
      font-weight: 600;
      font-size: 14px;
      transition: var(--transition);
    }

    .btn-outline:hover {
      border-color: var(--accent);
      background: rgba(15, 30, 54, 0.03);
    }

    /* 板块排版公用 */
    .app-section {
      padding: 85px 0;
      position: relative;
    }

    .section-header {
      margin-bottom: 50px;
    }

    .section-header.text-center {
      text-align: center;
    }

    .section-badge {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(0, 192, 109, 0.1);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

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

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.7;
    }

    .clean-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      box-shadow: var(--card-shadow);
      padding: 30px;
      transition: var(--transition);
      height: 100%;
    }

    .clean-card:hover {
      box-shadow: var(--card-shadow-hover);
      transform: translateY(-4px);
      border-color: rgba(0, 192, 109, 0.3);
    }

    /* 1. Hero 板块 */
    .hero-banner {
      background: linear-gradient(135deg, rgba(15, 30, 54, 0.88), rgba(10, 15, 24, 0.95)), url('/assets/images/fb8dd25c6142566e.jpg') center/cover no-repeat;
      color: #FFFFFF;
      padding: 100px 0 90px;
      position: relative;
      overflow: hidden;
    }

    .hero-content h1 {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
      color: #FFFFFF;
    }

    .hero-content p {
      font-size: 16px;
      color: #CBD5E1;
      margin-bottom: 30px;
      line-height: 1.8;
      max-width: 640px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 35px;
    }

    .hero-timer-bar {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius);
      padding: 14px 22px;
      display: inline-flex;
      align-items: center;
      gap: 20px;
    }

    .hero-timer-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: #E2E8F0;
    }

    .hero-timer-item span {
      color: var(--primary);
      font-weight: 700;
      font-size: 18px;
    }

    .hero-board-mockup {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
      border-radius: 16px;
      padding: 24px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    }

    .match-header-tag {
      display: flex;
      justify-content: space-between;
      color: #94A3B8;
      font-size: 13px;
      margin-bottom: 16px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 10px;
    }

    .match-live-score {
      display: flex;
      align-items: center;
      justify-content: space-around;
      margin-bottom: 20px;
      text-align: center;
    }

    .team-box {
      font-weight: 700;
      font-size: 16px;
    }

    .score-box {
      font-size: 40px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: 4px;
    }

    .match-event-stream {
      background: rgba(0, 0, 0, 0.25);
      border-radius: 8px;
      padding: 12px;
      font-size: 13px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .event-line {
      display: flex;
      justify-content: space-between;
      color: #E2E8F0;
    }

    .event-tag {
      color: var(--alert);
      font-weight: 600;
    }

    /* 2. 品牌与产品介绍区 */
    .overview-tech-box {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 24px;
    }

    .overview-tech-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }

    .overview-tech-item i {
      color: var(--primary);
      font-size: 18px;
      margin-top: 4px;
    }

    /* 3. 核心优势六卡片 */
    .feature-icon-box {
      width: 54px;
      height: 54px;
      border-radius: 10px;
      background: rgba(0, 192, 109, 0.1);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 20px;
      transition: var(--transition);
    }

    .clean-card:hover .feature-icon-box {
      background: var(--primary);
      color: #FFFFFF;
    }

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

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

    /* 4. 热门功能区 3-Card */
    .solution-card-img {
      height: 200px;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 20px;
    }

    .solution-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .clean-card:hover .solution-card-img img {
      transform: scale(1.05);
    }

    .tag-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      background: #EEF2F6;
      color: var(--accent);
      padding: 3px 10px;
      border-radius: 12px;
      margin-bottom: 10px;
    }

    /* 5. 深色沉浸式底层架构与理念区 */
    .dark-architecture-section {
      background-color: var(--bg-dark);
      color: #FFFFFF;
      padding: 90px 0;
    }

    .dark-architecture-section .section-title {
      color: #FFFFFF;
    }

    .dark-architecture-section .section-desc {
      color: #94A3B8;
    }

    .arch-card {
      background: #121A27;
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius);
      padding: 26px;
      height: 100%;
      transition: var(--transition);
    }

    .arch-card:hover {
      border-color: var(--primary);
      transform: translateY(-3px);
    }

    .arch-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .arch-card h4 i {
      color: var(--primary);
    }

    .arch-card p {
      font-size: 14px;
      color: #94A3B8;
      line-height: 1.6;
      margin: 0;
    }

    /* 6. 用户实战场景区 */
    .case-scenario-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 35px;
      margin-bottom: 28px;
      box-shadow: var(--card-shadow);
      display: flex;
      align-items: center;
      gap: 30px;
    }

    .case-scenario-img {
      flex: 0 0 320px;
      height: 200px;
      overflow: hidden;
      border-radius: 8px;
    }

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

    .case-scenario-body {
      flex: 1;
    }

    /* 7. 关键数据统计条 */
    .metric-section {
      background: #FFFFFF;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 60px 0;
    }

    .metric-item {
      text-align: center;
    }

    .metric-num {
      font-size: 48px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .metric-label {
      font-size: 15px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 8. 用户与机构评价区 */
    .testimonial-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 26px;
      height: 100%;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-stars {
      color: #F59E0B;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .testimonial-quote {
      font-size: 14px;
      color: var(--text-main);
      line-height: 1.65;
      margin-bottom: 20px;
    }

    .testimonial-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-weight: 700;
      font-size: 16px;
    }

    .author-info h5 {
      font-size: 14px;
      font-weight: 700;
      margin: 0;
      color: var(--accent);
    }

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

    /* 9. 资讯与深度动态 */
    .news-horizontal-card {
      display: flex;
      gap: 20px;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 20px;
      height: 100%;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
    }

    .news-horizontal-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--card-shadow-hover);
    }

    .news-thumb {
      flex: 0 0 140px;
      height: 110px;
      overflow: hidden;
      border-radius: 6px;
    }

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

    .news-body {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .news-body h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--accent);
      line-height: 1.4;
    }

    .news-body p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-meta {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 10. 权威合作伙伴生态墙 */
    .partner-logo-item {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 16px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 15px;
      font-weight: 700;
      color: #64748B;
      transition: var(--transition);
      user-select: none;
    }

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

    /* 11. FAQ 手风琴区 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-accordion-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-title {
      padding: 18px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 700;
      color: var(--accent);
    }

    .faq-title i {
      color: var(--primary);
      transition: transform 0.3s ease;
    }

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

    /* 12. 底部下载与保障 CTA */
    .download-cta-section {
      background: linear-gradient(135deg, #0F1E36 0%, #070B12 100%);
      color: #FFFFFF;
      border-radius: 20px;
      padding: 60px 40px;
      margin: 40px auto 80px;
      text-align: center;
      box-shadow: 0 20px 40px rgba(15, 30, 54, 0.25);
    }

    .download-cta-section h2 {
      font-size: 34px;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
    }

    .download-cta-section p {
      font-size: 16px;
      color: #CBD5E1;
      max-width: 680px;
      margin: 0 auto 35px;
    }

    .cta-btn-group {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 18px;
      margin-bottom: 30px;
    }

    .guarantee-bar {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 25px;
      font-size: 13px;
      color: #94A3B8;
    }

    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .guarantee-item i {
      color: var(--primary);
    }

    /* 页脚 */
    .site-footer {
      background-color: #070C14;
      color: #94A3B8;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 14px;
    }

    .footer-col-title {
      color: #FFFFFF;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a:hover {
      color: #FFFFFF;
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 25px;
      margin-top: 50px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      flex-wrap: wrap;
      gap: 15px;
    }

    /* 移动适配微调 */
    @media (max-width: 768px) {
      .top-utility-bar {
        display: none;
      }
      .nav-links {
        display: none;
      }
      .search-pill {
        display: none;
      }
      .hero-content h1 {
        font-size: 30px;
      }
      .section-title {
        font-size: 26px;
      }
      .app-section {
        padding: 55px 0;
      }
      .case-scenario-card {
        flex-direction: column;
        padding: 20px;
      }
      .case-scenario-img {
        flex: auto;
        width: 100%;
      }
      .download-cta-section {
        padding: 40px 20px;
      }
      .download-cta-section h2 {
        font-size: 26px;
      }
      .news-horizontal-card {
        flex-direction: column;
      }
      .news-thumb {
        flex: auto;
        width: 100%;
        height: 160px;
      }
    }