/* roulang page: index */
:root {
      --primary: #126E3D;
      --primary-light: #1E9A54;
      --primary-dark: #0D2319;
      --accent: #FF6B2B;
      --accent-hover: #E85A1D;
      --bg-light: #F8FAF9;
      --bg-white: #FFFFFF;
      --bg-dark: #0B1C14;
      --text-main: #2C3A33;
      --text-muted: #5E7167;
      --border-color: #DCE5E0;
      --shadow-sm: 0 4px 20px rgba(18, 110, 61, 0.06);
      --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.1);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: var(--font-family);
      color: var(--text-main);
      background-color: var(--bg-light);
      line-height: 1.75;
      font-size: 16px;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    button, input, select, textarea {
      font-family: inherit;
    }
    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }
    .text-center { text-align: center; }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 0.875rem;
      font-weight: 600;
      background: rgba(30, 154, 84, 0.12);
      color: var(--primary);
    }
    .badge-accent {
      background: rgba(255, 107, 43, 0.12);
      color: var(--accent);
    }
    .badge-dark {
      background: rgba(255, 255, 255, 0.15);
      color: #79f2af;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }
    .btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(0,0,0,0.12);
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
    }
    .btn-primary:hover {
      background: var(--primary-light);
    }
    .btn-accent {
      background: var(--accent);
      color: #fff;
    }
    .btn-accent:hover {
      background: var(--accent-hover);
    }
    .btn-outline {
      border-color: #fff;
      color: #fff;
      background: transparent;
    }
    .btn-outline:hover {
      background: #fff;
      color: var(--primary-dark);
    }

    /* 顶部导航 */
    .top-bar {
      background: #081710;
      color: #9cb1a5;
      font-size: 0.8125rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-contact {
      display: flex;
      gap: 18px;
    }
    .header-main {
      background: #ffffff;
      box-shadow: 0 2px 14px rgba(0, 0, 0, 0.05);
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .header-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .site-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -0.5px;
    }
    .site-brand svg {
      width: 34px;
      height: 34px;
      fill: var(--primary);
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 24px;
    }
    .nav-links a {
      font-size: 0.95rem;
      color: var(--text-main);
      font-weight: 500;
      padding: 6px 0;
      position: relative;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary);
    }
    .nav-links a.active::after {
      content: "";
      position: absolute;
      bottom: -2px;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--primary);
    }
    .nav-btn {
      padding: 8px 20px;
      font-size: 0.9rem;
    }
    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--primary);
    }

    /* 板块通用 */
    .section-block {
      padding: 90px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-white);
    }
    .section-header {
      margin-bottom: 48px;
      text-align: center;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-top: 12px;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto;
      line-height: 1.8;
    }

    /* 1. Hero 沉浸大图看板 */
    .hero-section {
      background: linear-gradient(135deg, rgba(11,28,20,0.92) 0%, rgba(18,110,61,0.85) 100%),
                  url('/assets/images/7a6a113310907273.webp') center/cover no-repeat;
      color: #fff;
      padding: 100px 0 110px;
      position: relative;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.9rem;
      font-weight: 900;
      line-height: 1.25;
      margin: 16px 0 20px;
      letter-spacing: -1px;
    }
    .hero-lead {
      font-size: 1.125rem;
      line-height: 1.85;
      color: #d1e3d9;
      margin-bottom: 32px;
    }
    .hero-action {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 34px;
    }
    .hero-tags {
      display: flex;
      gap: 20px;
      font-size: 0.9rem;
      color: #b2cfbe;
    }
    .hero-tags span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .hero-visual-card {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    }
    .hero-stat-badge {
      display: flex;
      justify-content: space-between;
      border-bottom: 1px solid rgba(255,255,255,0.15);
      padding-bottom: 18px;
      margin-bottom: 18px;
    }
    .hero-img-box {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 16px;
    }

    /* 2. 倒计时与预约节点 */
    .countdown-bar {
      background: #081710;
      border-bottom: 1px solid #1c3528;
      padding: 24px 0;
      color: #fff;
    }
    .countdown-flex {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }
    .countdown-title {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.1rem;
      font-weight: 700;
    }
    .countdown-timer {
      display: flex;
      gap: 14px;
    }
    .time-unit {
      background: rgba(255,255,255,0.1);
      padding: 6px 14px;
      border-radius: 6px;
      text-align: center;
      min-width: 58px;
    }
    .time-num {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent);
    }
    .time-label {
      font-size: 0.75rem;
      color: #9cb1a5;
    }

    /* 3. 数字化指标看板 */
    .dashboard-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: var(--primary-light);
    }
    .metric-val {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin: 8px 0;
    }
    .metric-label {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .metric-note {
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    /* 4. 业务板块与服务矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 32px 26px;
      transition: all 0.3s ease;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: var(--shadow-lg);
    }
    .matrix-icon-box {
      width: 54px;
      height: 54px;
      background: rgba(18, 110, 61, 0.08);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .matrix-icon-box svg {
      width: 28px;
      height: 28px;
      fill: var(--primary);
    }
    .matrix-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .matrix-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 5. 数字化 vs 传统青训对比 */
    .comparison-table-wrapper {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }
    .comp-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .comp-table th, .comp-table td {
      padding: 20px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .comp-table th {
      background: #f1f6f3;
      font-weight: 800;
      color: var(--text-main);
      font-size: 1.05rem;
    }
    .comp-table tr:last-child td {
      border-bottom: none;
    }
    .comp-pro {
      background: rgba(30, 154, 84, 0.04);
      color: var(--primary-dark);
      font-weight: 600;
    }
    .comp-bad {
      color: #924040;
    }

    /* 6. 梯队产品版本体系 */
    .pricing-tier-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: center;
    }
    .tier-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 38px 30px;
      position: relative;
      transition: all 0.3s ease;
    }
    .tier-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 16px 36px rgba(18, 110, 61, 0.16);
      transform: scale(1.03);
    }
    .tier-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #fff;
      padding: 4px 16px;
      border-radius: 999px;
      font-size: 0.8125rem;
      font-weight: 700;
    }
    .tier-name {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .tier-price {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      margin: 14px 0;
    }
    .tier-list {
      list-style: none;
      margin: 24px 0 32px;
      display: flex;
      flex-direction: column;
      gap: 14px;
      font-size: 0.95rem;
      color: var(--text-muted);
    }
    .tier-list li {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .tier-list li svg {
      width: 18px;
      height: 18px;
      fill: var(--primary-light);
      flex-shrink: 0;
    }

    /* 7. 深色战术与雷达技术秀 */
    .dark-tech-block {
      background: var(--bg-dark);
      color: #fff;
    }
    .dark-tech-block .section-title {
      color: #fff;
    }
    .dark-tech-block .section-desc {
      color: #9cb1a5;
    }
    .tech-showcase-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .tech-feature-list {
      display: flex;
      flex-direction: column;
      gap: 22px;
    }
    .tech-feature-item {
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1);
      border-radius: var(--radius-md);
      padding: 22px;
    }
    .tech-feature-item h4 {
      font-size: 1.15rem;
      color: #79f2af;
      margin-bottom: 8px;
    }
    .tech-feature-item p {
      font-size: 0.92rem;
      color: #c0d4c9;
      line-height: 1.7;
    }
    .tech-img-holder {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 16px 40px rgba(0,0,0,0.5);
    }

    /* 8. 青训发展里程碑与时间线 */
    .milestone-track {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }
    .milestone-track::before {
      content: "";
      position: absolute;
      left: 20px;
      top: 0;
      bottom: 0;
      width: 3px;
      background: #cce3d5;
    }
    .milestone-item {
      position: relative;
      padding-left: 54px;
      margin-bottom: 36px;
    }
    .milestone-item:last-child {
      margin-bottom: 0;
    }
    .milestone-dot {
      position: absolute;
      left: 11px;
      top: 6px;
      width: 21px;
      height: 21px;
      border-radius: 50%;
      background: var(--primary);
      border: 4px solid #fff;
      box-shadow: 0 0 0 2px var(--primary-light);
    }
    .milestone-content {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 24px;
      box-shadow: var(--shadow-sm);
    }
    .milestone-tag {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .milestone-content h3 {
      font-size: 1.2rem;
      margin-bottom: 8px;
    }
    .milestone-content p {
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    /* 9. 真实口碑与评价 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .testimonial-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .user-avatar-circle {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #e2f0e8;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--primary);
    }
    .user-meta h4 {
      font-size: 1.05rem;
      color: var(--text-main);
    }
    .user-meta span {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .star-row {
      color: #f7a81b;
      margin-bottom: 12px;
      font-size: 0.9rem;
    }
    .testimonial-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 10. 青训资讯与专题动态 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .news-thumb {
      height: 190px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .news-card:hover .news-thumb img {
      transform: scale(1.05);
    }
    .news-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.8125rem;
      color: var(--text-muted);
      margin-bottom: 10px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      line-height: 1.5;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .news-excerpt {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex: 1;
    }
    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
    }

    /* 11. 运行保障与安全体系 */
    .security-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .security-card {
      background: #f1f6f3;
      border-radius: var(--radius-md);
      padding: 24px 20px;
      border: 1px solid #d9e6df;
      text-align: center;
    }
    .security-card svg {
      width: 40px;
      height: 40px;
      fill: var(--primary);
      margin-bottom: 14px;
    }
    .security-card h4 {
      font-size: 1.1rem;
      margin-bottom: 8px;
    }
    .security-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 12. 常见疑难手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
    }
    .faq-question {
      padding: 20px 24px;
      width: 100%;
      text-align: left;
      background: none;
      border: none;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-icon {
      font-size: 1.25rem;
      font-weight: 400;
      transition: transform 0.25s ease;
      color: var(--primary);
    }
    .faq-answer {
      padding: 0 24px 20px;
      display: none;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.8;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* 13. 试用预约收口转化 */
    .trial-cta-box {
      background: linear-gradient(135deg, #126E3D 0%, #0A4526 100%);
      border-radius: var(--radius-lg);
      padding: 60px 48px;
      color: #fff;
      box-shadow: 0 16px 36px rgba(18, 110, 61, 0.25);
    }
    .trial-flex {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .trial-flex h2 {
      font-size: 2.1rem;
      margin-bottom: 16px;
      font-weight: 800;
    }
    .trial-flex p {
      font-size: 1.05rem;
      color: #d1ebd9;
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .trial-checklist {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.95rem;
      color: #f1f8f4;
    }
    .trial-checklist li {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .trial-form {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 32px 28px;
      color: var(--text-main);
      box-shadow: 0 10px 24px rgba(0,0,0,0.18);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: #3f5146;
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(30, 154, 84, 0.15);
    }

    /* 页脚 */
    .site-footer {
      background: #081710;
      color: #a4b8ac;
      padding: 70px 0 28px;
      border-top: 1px solid #162c20;
      font-size: 0.92rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-col h4 {
      font-size: 1.05rem;
      color: #ffffff;
      margin-bottom: 18px;
      font-weight: 700;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col ul a:hover {
      color: #79f2af;
    }
    .footer-contact-item {
      margin-bottom: 10px;
      line-height: 1.6;
    }
    .footer-bottom {
      border-top: 1px solid #172d21;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
      color: #7d9687;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid, .tech-showcase-grid, .trial-flex {
        grid-template-columns: 1fr;
      }
      .dashboard-metrics, .security-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .matrix-grid, .pricing-tier-grid, .testimonial-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .tier-card.featured {
        transform: none;
      }
    }
    @media (max-width: 768px) {
      .top-bar-inner {
        flex-direction: column;
        gap: 6px;
        text-align: center;
      }
      .header-container {
        height: 64px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 12px 24px rgba(0,0,0,0.1);
        gap: 16px;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-btn {
        display: none;
      }
      .hero-section {
        padding: 60px 0;
      }
      .hero-content h1 {
        font-size: 2.1rem;
      }
      .section-block {
        padding: 56px 0;
      }
      .section-title {
        font-size: 1.7rem;
      }
      .matrix-grid, .pricing-tier-grid, .testimonial-grid, .news-grid, .dashboard-metrics, .security-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .trial-box {
        padding: 36px 20px;
      }
      .comp-table {
        font-size: 0.85rem;
      }
      .comp-table th, .comp-table td {
        padding: 12px 14px;
      }
    }