/* roulang page: index */
:root {
      --primary: #FF5E1E;
      --primary-hover: #E04D12;
      --primary-light: rgba(255, 94, 30, 0.1);
      --secondary: #1B2A4A;
      --dark: #0B132B;
      --bg-light: #F8FAFC;
      --card-bg: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 6px 20px -2px rgba(15, 23, 42, 0.06);
      --shadow-hover: 0 12px 28px -4px rgba(255, 94, 30, 0.18);
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 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-light);
      color: var(--text-main);
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section-padding {
      padding-top: 88px;
      padding-bottom: 88px;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 52px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 0.875rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.15rem;
      line-height: 1.35;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.8;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      box-shadow: 0 1px 12px rgba(15, 23, 42, 0.05);
      border-bottom: 1px solid var(--border-color);
    }

    .top-notice-bar {
      background-color: var(--dark);
      color: #94A3B8;
      font-size: 0.8125rem;
      padding: 7px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

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

    .notice-badge {
      background: var(--primary);
      color: #FFF;
      padding: 1px 8px;
      border-radius: 4px;
      margin-right: 8px;
      font-size: 0.75rem;
    }

    .nav-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--secondary);
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary) 0%, #FF8A50 100%);
      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(255, 94, 30, 0.3);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
    }

    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      position: relative;
    }

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

    .nav-cta-btn {
      background: var(--primary);
      color: #FFF;
      padding: 10px 24px;
      border-radius: var(--radius-pill);
      font-size: 0.95rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      box-shadow: 0 4px 14px rgba(255, 94, 30, 0.28);
    }

    .nav-cta-btn:hover {
      background: var(--primary-hover);
      transform: translateY(-1px);
    }

    .menu-toggle {
      display: none;
      background: transparent;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--secondary);
    }

    /* 首屏 Hero (蓝图：无大图首屏，图标矩阵 + 状态条 + 短标题) */
    .hero-section {
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      padding: 64px 0 80px 0;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }

    .hero-status-strip {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      padding: 8px 18px;
      border-radius: var(--radius-pill);
      font-size: 0.875rem;
      color: var(--text-muted);
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10B981;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }

    .hero-h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--secondary);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.8;
      max-width: 820px;
      margin: 0 auto 36px auto;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      gap: 18px;
      margin-bottom: 56px;
    }

    .btn-secondary {
      background: #FFFFFF;
      color: var(--secondary);
      border: 1px solid var(--border-color);
      padding: 12px 28px;
      border-radius: var(--radius-pill);
      font-size: 1rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      box-shadow: var(--shadow-sm);
    }

    .btn-secondary:hover {
      background: #F8FAFC;
      border-color: #CBD5E1;
    }

    .btn-primary {
      background: var(--primary);
      color: #FFFFFF;
      padding: 12px 30px;
      border-radius: var(--radius-pill);
      font-size: 1rem;
      font-weight: 600;
      box-shadow: 0 6px 18px rgba(255, 94, 30, 0.3);
    }

    .btn-primary:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
    }

    /* Hero 图标矩阵 */
    .hero-icon-matrix {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 10px;
    }

    .matrix-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: left;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .matrix-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(255, 94, 30, 0.4);
    }

    .matrix-icon-wrap {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 16px;
      color: var(--primary);
    }

    .matrix-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 8px;
    }

    .matrix-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 痛点区 */
    .pain-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .pain-card {
      background: #FFFFFF;
      border: 1px solid #FEE2E2;
      border-radius: var(--radius-md);
      padding: 32px 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .pain-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: #EF4444;
    }

    .pain-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .pain-icon-badge {
      font-size: 1.8rem;
      margin-bottom: 18px;
      display: inline-block;
    }

    .pain-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #991B1B;
      margin-bottom: 12px;
    }

    .pain-text {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    /* 介绍区 (图文错落) */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .intro-img-container {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }

    .intro-img-container img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    .intro-spec-box {
      margin-top: 24px;
      background: #F1F5F9;
      border-left: 4px solid var(--secondary);
      padding: 16px 20px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      font-size: 0.9rem;
      color: var(--secondary);
    }

    .intro-spec-box strong {
      display: block;
      margin-bottom: 4px;
      font-size: 0.95rem;
    }

    /* 功能网格 6卡片 (3x2) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .feature-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px 26px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(255, 94, 30, 0.4);
    }

    .feat-icon {
      font-size: 2rem;
      margin-bottom: 16px;
      display: inline-block;
    }

    .feat-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 12px;
    }

    .feat-desc {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 解决方案 / 版本矩阵 (3卡片横向对比) */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .solution-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px 30px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }

    .solution-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 12px 30px rgba(255, 94, 30, 0.12);
    }

    .featured-ribbon {
      position: absolute;
      top: -12px;
      right: 24px;
      background: var(--primary);
      color: #FFFFFF;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
    }

    .solution-name {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--secondary);
      margin-bottom: 10px;
    }

    .solution-fit {
      font-size: 0.875rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 20px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-color);
    }

    .solution-list {
      list-style: none;
      margin-bottom: 30px;
      flex-grow: 1;
    }

    .solution-list li {
      position: relative;
      padding-left: 24px;
      font-size: 0.925rem;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    .solution-list li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--primary);
      font-weight: bold;
    }

    /* 理念与技术硬核区 (极夜深色主题) */
    .philosophy-section {
      background-color: var(--dark);
      color: #E2E8F0;
      padding: 96px 0;
    }

    .philosophy-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 52px;
      align-items: center;
    }

    .philosophy-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 20px;
      line-height: 1.35;
    }

    .philosophy-desc {
      color: #94A3B8;
      font-size: 1.05rem;
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .rpe-metric-box {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 20px;
    }

    .rpe-metric-title {
      font-size: 1.1rem;
      color: #FFFFFF;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .rpe-metric-text {
      font-size: 0.9rem;
      color: #94A3B8;
    }

    /* 真实案例区 (非对称) */
    .case-container {
      display: grid;
      grid-template-columns: 380px 1fr;
      gap: 36px;
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .case-profile {
      border-right: 1px solid var(--border-color);
      padding-right: 36px;
    }

    .coach-avatar-wrap {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      background: #E2E8F0;
      overflow: hidden;
      margin-bottom: 20px;
    }

    .coach-avatar-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .coach-name {
      font-size: 1.3rem;
      font-weight: 700;
      color: var(--secondary);
    }

    .coach-badge {
      font-size: 0.875rem;
      color: var(--primary);
      margin-top: 4px;
      font-weight: 600;
    }

    .coach-meta {
      margin-top: 16px;
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .case-stats-panel {
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .case-stats-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-top: 24px;
    }

    .case-stat-box {
      background: #F8FAFC;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 20px;
    }

    .stat-number-accent {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      display: block;
      margin-bottom: 4px;
    }

    /* 业务成效数据条 */
    .metrics-strip {
      background: var(--secondary);
      color: #FFFFFF;
      padding: 60px 0;
    }

    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }

    .metric-value {
      font-size: 2.75rem;
      font-weight: 800;
      color: #FF8A50;
      line-height: 1.2;
      margin-bottom: 8px;
    }

    .metric-label {
      font-size: 0.95rem;
      color: #CBD5E1;
      font-weight: 500;
    }

    /* 客户评价区 */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testi-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .testi-stars {
      color: #F59E0B;
      font-size: 1.1rem;
      margin-bottom: 14px;
    }

    .testi-quote {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 20px;
    }

    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #E2E8F0;
      overflow: hidden;
    }

    .user-avatar img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .user-name {
      font-weight: 700;
      color: var(--secondary);
      font-size: 0.95rem;
    }

    .user-org {
      font-size: 0.8125rem;
      color: #64748B;
    }

    /* 教学干货资讯区 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .insight-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }

    .insight-thumb {
      height: 190px;
      width: 100%;
      overflow: hidden;
    }

    .insight-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }

    .insight-card:hover .insight-thumb img {
      transform: scale(1.05);
    }

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

    .insight-date {
      font-size: 0.8125rem;
      color: var(--primary);
      margin-bottom: 8px;
      font-weight: 600;
    }

    .insight-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--secondary);
      margin-bottom: 10px;
      line-height: 1.45;
    }

    .insight-summary {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* FAQ 手风琴区 */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      text-align: left;
      background: none;
      border: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--secondary);
      cursor: pointer;
    }

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

    .faq-icon-arrow {
      font-size: 1.25rem;
      transition: transform 0.3s ease;
    }

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

    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.75;
      border-top: 1px solid #F1F5F9;
      margin-top: 8px;
      padding-top: 16px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 底部转化 CTA 表单区 */
    .cta-container {
      background: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
      border: 1px solid rgba(255, 94, 30, 0.4);
      border-radius: var(--radius-lg);
      padding: 56px 40px;
      color: #FFFFFF;
      text-align: center;
      box-shadow: 0 16px 40px rgba(11, 19, 43, 0.4);
    }

    .cta-h2 {
      font-size: 2.15rem;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.35;
    }

    .cta-sub {
      color: #94A3B8;
      font-size: 1.05rem;
      max-width: 680px;
      margin: 0 auto 36px auto;
    }

    .cta-form {
      display: flex;
      justify-content: center;
      gap: 14px;
      max-width: 680px;
      margin: 0 auto 20px auto;
      flex-wrap: wrap;
    }

    .cta-input, .cta-select {
      background: #FFFFFF;
      border: 1px solid #CBD5E1;
      padding: 14px 20px;
      border-radius: var(--radius-pill);
      font-size: 0.95rem;
      color: var(--text-main);
      outline: none;
      flex: 1;
      min-width: 200px;
    }

    .cta-btn-submit {
      background: var(--primary);
      color: #FFFFFF;
      border: none;
      padding: 14px 32px;
      border-radius: var(--radius-pill);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 6px 18px rgba(255, 94, 30, 0.35);
      transition: var(--transition);
    }

    .cta-btn-submit:hover {
      background: var(--primary-hover);
      transform: translateY(-2px);
    }

    .cta-privacy {
      font-size: 0.8125rem;
      color: #64748B;
    }

    /* 页脚 */
    .site-footer {
      background-color: var(--dark);
      color: #94A3B8;
      padding: 64px 0 32px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }

    .footer-brand {
      font-size: 1.35rem;
      font-weight: 800;
      color: #FFFFFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .footer-about {
      line-height: 1.7;
      margin-bottom: 20px;
      color: #64748B;
      font-size: 0.875rem;
    }

    .footer-col-title {
      color: #FFFFFF;
      font-weight: 700;
      margin-bottom: 20px;
      font-size: 1rem;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 12px;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
      color: #64748B;
      flex-wrap: wrap;
      gap: 16px;
    }

    .status-badge-inline {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(16, 185, 129, 0.1);
      color: #10B981;
      padding: 2px 10px;
      border-radius: var(--radius-pill);
      font-size: 0.75rem;
    }

    /* 移动端菜单抽屉 */
    .mobile-drawer {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(15, 23, 42, 0.6);
      z-index: 2000;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s ease;
    }

    .mobile-drawer.open {
      opacity: 1;
      pointer-events: auto;
    }

    .mobile-menu-content {
      position: absolute;
      right: 0;
      top: 0;
      width: 280px;
      height: 100%;
      background: #FFFFFF;
      padding: 24px;
      box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
      display: flex;
      flex-direction: column;
      transform: translateX(100%);
      transition: transform 0.3s ease;
    }

    .mobile-drawer.open .mobile-menu-content {
      transform: translateX(0);
    }

    .drawer-close {
      align-self: flex-end;
      background: none;
      border: none;
      font-size: 1.5rem;
      cursor: pointer;
      color: var(--secondary);
      margin-bottom: 24px;
    }

    .mobile-nav-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .mobile-nav-links a {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--secondary);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-icon-matrix {
        grid-template-columns: repeat(2, 1fr);
      }
      .features-grid, .solutions-grid, .testimonials-grid, .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px;
      }
      .philosophy-grid, .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .case-container {
        grid-template-columns: 1fr;
      }
      .case-profile {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-right: 0;
        padding-bottom: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-notice-bar {
        display: none;
      }
      .nav-links, .nav-cta-btn {
        display: none;
      }
      .menu-toggle {
        display: block;
      }
      .hero-h1 {
        font-size: 2.15rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
      .pain-grid, .features-grid, .solutions-grid, .testimonials-grid, .insights-grid {
        grid-template-columns: 1fr;
      }
      .hero-icon-matrix {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: 1fr;
      }
      .case-stats-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .cta-form {
        flex-direction: column;
      }
      .cta-input, .cta-select, .cta-btn-submit {
        width: 100%;
      }
    }