/* roulang page: index */
:root {
      --primary: #10B981;
      --primary-dark: #059669;
      --primary-light: #ECFDF5;
      --accent: #F97316;
      --accent-hover: #EA580C;
      --dark-slate: #0F172A;
      --dark-surface: #1E293B;
      --text-main: #0F172A;
      --text-muted: #475569;
      --text-light: #94A3B8;
      --bg-page: #F8FAFC;
      --bg-card: #FFFFFF;
      --border-color: #E2E8F0;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-full: 9999px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

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

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

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 顶部微型信息条 */
    .top-bar {
      background-color: var(--dark-slate);
      color: #CBD5E1;
      font-size: 0.825rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
    }
    .top-bar-left, .top-bar-right {
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .top-bar a:hover {
      color: var(--primary);
    }

    /* 主导航 */
    .main-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      box-shadow: 0 1px 12px rgba(15, 23, 42, 0.05);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--dark-slate);
    }
    .brand-badge-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.15rem;
      box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--primary-dark);
      font-weight: 600;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-weight: 600;
      border-radius: var(--radius-full);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
    }
    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
    }
    .btn-accent {
      background: var(--accent);
      color: #fff;
      box-shadow: 0 4px 14px rgba(249, 115, 22, 0.25);
    }
    .btn-accent:hover {
      background: var(--accent-hover);
      transform: translateY(-1px);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.9);
      color: var(--dark-slate);
      border-color: var(--border-color);
    }
    .btn-secondary:hover {
      background: #fff;
      border-color: var(--text-muted);
    }

    /* 板块通用规范 */
    .section-wrap {
      padding: 72px 0;
      position: relative;
    }
    .section-alt {
      background-color: #F1F5F9;
    }
    .section-dark {
      background-color: var(--dark-slate);
      color: #F8FAFC;
    }
    .section-heading {
      margin-bottom: 44px;
      text-align: center;
    }
    .section-heading.text-left {
      text-align: left;
    }
    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.825rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      background: var(--primary-light);
      color: var(--primary-dark);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-dark .section-tag {
      background: rgba(16, 185, 129, 0.2);
      color: #34D399;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--dark-slate);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto;
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: var(--text-light);
    }

    /* 1. 首屏裂变邀请与赋能看板 (Hero) */
    .hero-split {
      padding: 60px 0 80px;
      background: radial-gradient(circle at 10% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(249, 115, 22, 0.08) 0%, transparent 35%),
                  #FFFFFF;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--dark-slate);
      margin-bottom: 18px;
    }
    .hero-content h1 span {
      color: var(--primary);
    }
    .hero-intro {
      font-size: 1.08rem;
      color: var(--text-muted);
      margin-bottom: 28px;
      line-height: 1.75;
    }
    .referral-card {
      background: #FFFFFF;
      border: 1px solid #E2E8F0;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .referral-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }
    .referral-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--dark-slate);
    }
    .referral-badge {
      background: #FEF3C7;
      color: #B45309;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: var(--radius-full);
    }
    .referral-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .progress-bar-wrap {
      background: #F1F5F9;
      border-radius: var(--radius-full);
      height: 12px;
      overflow: hidden;
      margin-bottom: 8px;
    }
    .progress-bar-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      width: 68%;
      border-radius: var(--radius-full);
    }
    .progress-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.825rem;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }
    .hero-media-wrap {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }
    .hero-media-wrap img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }
    .hero-floating-stat {
      position: absolute;
      bottom: 20px;
      left: 20px;
      right: 20px;
      background: rgba(15, 23, 42, 0.88);
      backdrop-filter: blur(8px);
      border-radius: 12px;
      padding: 14px 20px;
      display: flex;
      justify-content: space-around;
      color: #fff;
    }
    .stat-mini-item {
      text-align: center;
    }
    .stat-mini-num {
      font-size: 1.3rem;
      font-weight: 800;
      color: #34D399;
    }
    .stat-mini-label {
      font-size: 0.75rem;
      color: #94A3B8;
    }

    /* 2. 内容日历区 */
    .calendar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .calendar-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 24px 20px;
      transition: var(--transition);
      position: relative;
    }
    .calendar-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .cal-date {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--accent);
      background: #FFF7ED;
      padding: 3px 8px;
      border-radius: 6px;
      margin-bottom: 12px;
    }
    .cal-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--dark-slate);
    }
    .cal-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. 热门专题矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .matrix-card:hover {
      box-shadow: var(--shadow-lg);
      transform: translateY(-5px);
    }
    .matrix-thumb {
      height: 190px;
      overflow: hidden;
      position: relative;
    }
    .matrix-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .matrix-card:hover .matrix-thumb img {
      transform: scale(1.05);
    }
    .matrix-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--dark-slate);
      color: #fff;
      font-size: 0.75rem;
      padding: 4px 10px;
      border-radius: var(--radius-full);
      font-weight: 600;
    }
    .matrix-body {
      padding: 22px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .matrix-heading {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--dark-slate);
    }
    .matrix-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 16px;
      flex: 1;
      line-height: 1.65;
    }
    .matrix-meta-list {
      border-top: 1px solid #F1F5F9;
      padding-top: 14px;
      display: flex;
      justify-content: space-between;
      font-size: 0.825rem;
      color: var(--text-light);
    }

    /* 4. 观点解读板块 */
    .insight-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .quote-box {
      background: #FFFFFF;
      border-left: 4px solid var(--primary);
      padding: 24px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      box-shadow: var(--shadow-sm);
      margin-bottom: 20px;
    }
    .quote-box p {
      font-size: 1rem;
      color: var(--text-muted);
      font-style: italic;
      line-height: 1.7;
    }
    .quote-author {
      margin-top: 10px;
      font-weight: 700;
      font-size: 0.875rem;
      color: var(--dark-slate);
      font-style: normal;
    }

    /* 5. 资讯精选列表 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-item-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-item-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 12px;
      line-height: 1.45;
      color: var(--dark-slate);
    }
    .news-excerpt {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-link {
      font-size: 0.875rem;
      color: var(--primary-dark);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 6. 媒体精选与行业聚焦 */
    .media-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
      align-items: center;
    }
    .media-card-featured {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
    }
    .media-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .media-list-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 16px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .media-source {
      font-size: 0.8rem;
      color: var(--accent);
      font-weight: 700;
    }
    .media-tit {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--dark-slate);
    }

    /* 7. 数据分析核心指标看板 (Data Driven) */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      backdrop-filter: blur(8px);
      transition: var(--transition);
    }
    .metric-card:hover {
      background: rgba(255, 255, 255, 0.09);
      border-color: var(--primary);
    }
    .metric-value {
      font-size: 2.6rem;
      font-weight: 900;
      color: #34D399;
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-title {
      font-size: 1rem;
      font-weight: 700;
      color: #F8FAFC;
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.825rem;
      color: var(--text-light);
    }

    /* 8. 场景适配矩阵 (扩充板块) */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .scene-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .scene-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.25rem;
      margin-bottom: 18px;
    }
    .scene-title {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--dark-slate);
    }
    .scene-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 9. 学员成长对比看板 (数据对比条) */
    .compare-container {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid #F1F5F9;
    }
    .compare-table th {
      background: #F8FAFC;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark-slate);
    }
    .compare-table td {
      font-size: 0.925rem;
      color: var(--text-muted);
    }
    .metric-badge-high {
      color: #059669;
      font-weight: 700;
      background: #D1FAE5;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.85rem;
    }

    /* 10. 用户口碑真实故事区 */
    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testi-card {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-body {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-full);
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--text-muted);
    }
    .testi-meta h4 {
      font-size: 0.95rem;
      color: var(--dark-slate);
    }
    .testi-meta p {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 11. 平台四重安全与服务保障 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-box {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 24px 20px;
      text-align: center;
    }
    .guarantee-icon {
      font-size: 2rem;
      margin-bottom: 12px;
      display: inline-block;
    }
    .guarantee-title {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--dark-slate);
    }
    .guarantee-text {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 12. 转化订阅与预约体测表单区 */
    .lead-panel {
      background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
      border-radius: var(--radius-md);
      padding: 48px;
      color: #fff;
      box-shadow: var(--shadow-lg);
    }
    .lead-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .lead-info h2 {
      font-size: 2.1rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .lead-info p {
      font-size: 1rem;
      color: #94A3B8;
      line-height: 1.7;
    }
    .lead-form {
      background: #FFFFFF;
      border-radius: 12px;
      padding: 28px;
      color: var(--text-main);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--dark-slate);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid #CBD5E1;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }
    .form-privacy {
      font-size: 0.78rem;
      color: var(--text-light);
      margin-top: 10px;
      line-height: 1.5;
    }

    /* 常见问题解答 (FAQ) */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
    }
    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--dark-slate);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-question:hover {
      color: var(--primary-dark);
    }
    .faq-toggle-icon {
      font-size: 1.2rem;
      font-weight: 400;
      transition: transform 0.2s;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      background: #FAFBFD;
      border-top: 1px solid transparent;
    }
    .faq-item.active .faq-answer {
      border-top-color: var(--border-color);
    }
    .faq-answer-inner {
      padding: 18px 24px;
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 全局页脚规范 */
    .site-footer {
      background-color: var(--dark-slate);
      color: #94A3B8;
      font-size: 0.875rem;
      padding: 60px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h3 {
      color: #FFFFFF;
      font-size: 1.3rem;
      margin-bottom: 14px;
      font-weight: 800;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-col h4 {
      color: #FFFFFF;
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a:hover {
      color: #34D399;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.8rem;
    }
    .footer-bottom a {
      color: #94A3B8;
    }
    .footer-bottom a:hover {
      color: #fff;
    }

    /* 移动端汉堡包菜单 */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--dark-slate);
      cursor: pointer;
    }

    /* 响应式断点控制 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .matrix-grid, .calendar-grid, .scene-grid, .testimonial-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid, .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .lead-grid, .insight-split, .media-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active {
        display: flex;
      }
      .hero-content h1 {
        font-size: 2.1rem;
      }
      .matrix-grid, .calendar-grid, .news-grid, .scene-grid, .testimonial-grid, .metrics-grid, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .lead-panel {
        padding: 24px;
      }
      .section-title {
        font-size: 1.7rem;
      }
    }