/* roulang page: index */
:root {
      --primary: #0F52BA;
      --primary-light: #2563eb;
      --secondary: #00A896;
      --accent: #FF6B35;
      --accent-hover: #e85a26;
      --bg-main: #F8FAFC;
      --bg-card: #FFFFFF;
      --bg-dark: #0A1128;
      --text-main: #0F172A;
      --text-muted: #334155;
      --text-light: #64748B;
      --border-color: rgba(226, 232, 240, 0.85);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --shadow-sm: 0 4px 6px -1px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.06), 0 8px 10px -6px rgba(15, 23, 42, 0.02);
      --shadow-lg: 0 20px 30px -10px rgba(15, 23, 42, 0.1);
      --brand-gradient: linear-gradient(135deg, #0F52BA 0%, #00A896 100%);
      --accent-gradient: linear-gradient(135deg, #FF6B35 0%, #FFA500 100%);
    }

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

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-muted);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

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

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

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

    /* 顶部双行导航 */
    .top-bar {
      background-color: #0c1836;
      color: #94a3b8;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-flex {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-bar-left span {
      margin-right: 20px;
    }
    .top-bar-right a {
      color: #cbd5e1;
      margin-left: 16px;
    }
    .top-bar-right a:hover {
      color: #fff;
    }

    .main-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo-box {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
    }
    .logo-icon {
      width: 38px;
      height: 38px;
      background: var(--brand-gradient);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      font-weight: bold;
    }
    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
    }
    .nav-links a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
    }
    .nav-links a:hover {
      color: var(--primary);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    /* 移动端菜单控制 */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 22px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid transparent;
      gap: 8px;
      text-align: center;
    }
    .btn-primary {
      background: var(--brand-gradient);
      color: #fff;
      box-shadow: 0 4px 14px rgba(15, 82, 186, 0.25);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(15, 82, 186, 0.35);
    }
    .btn-accent {
      background: var(--accent-gradient);
      color: #fff;
      box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
    }
    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
    }
    .btn-outline {
      border-color: #cbd5e1;
      background: #fff;
      color: var(--text-muted);
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: #f0f7ff;
    }

    /* 徽章 Badge */
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-weight: 600;
      background: rgba(15, 82, 186, 0.08);
      color: var(--primary);
      margin-bottom: 12px;
      gap: 6px;
    }
    .badge-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--secondary);
    }

    /* Section 通用规范 */
    .section {
      padding: 80px 0;
      position: relative;
    }
    .section-alt {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-dark {
      background-color: var(--bg-dark);
      color: #f1f5f9;
    }
    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-dark .section-title {
      color: #ffffff;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-light);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94a3b8;
    }

    /* 板块 1: 首屏 HERO */
    .hero-section {
      padding: 70px 0 90px;
      background: radial-gradient(circle at 80% 20%, rgba(0, 168, 150, 0.08), transparent 40%),
                  radial-gradient(circle at 10% 80%, rgba(15, 82, 186, 0.06), transparent 50%),
                  #f8fafc;
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 50px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 42px;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
    }
    .hero-content h1 span {
      background: var(--brand-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 35px;
    }
    .hero-stats-row {
      display: flex;
      gap: 30px;
      border-top: 1px solid #e2e8f0;
      padding-top: 25px;
    }
    .hero-stat-item h4 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
    }
    .hero-stat-item p {
      font-size: 13px;
      color: var(--text-light);
    }
    .hero-booking-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .hero-booking-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 30px;
      right: 30px;
      height: 4px;
      background: var(--brand-gradient);
      border-radius: 4px 4px 0 0;
    }
    .booking-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .booking-subtitle {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 20px;
    }
    .booking-form .form-group {
      margin-bottom: 16px;
    }
    .booking-form label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .booking-form input, .booking-form select {
      width: 100%;
      height: 44px;
      padding: 0 14px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s;
    }
    .booking-form input:focus, .booking-form select:focus {
      border-color: var(--primary);
    }

    /* 板块 2: 品牌与系统底座 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
    }
    .about-image-wrapper {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid var(--border-color);
    }
    .about-image-wrapper img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }
    .about-points {
      list-style: none;
      margin-top: 24px;
    }
    .about-points li {
      margin-bottom: 16px;
      display: flex;
      gap: 12px;
    }
    .point-dot {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: rgba(0, 168, 150, 0.15);
      color: var(--secondary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 12px;
      flex-shrink: 0;
      margin-top: 3px;
    }

    /* 板块 3: 核心卖点三连 & 优势网格 */
    .strengths-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .strength-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .strength-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(15, 82, 186, 0.3);
    }
    .strength-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(15, 82, 186, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }
    .strength-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .strength-card p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.7;
    }

    /* 板块 4: 产品矩阵与对比套餐 */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
      align-items: stretch;
    }
    .pricing-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: transform 0.3s;
    }
    .pricing-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 15px 35px -5px rgba(15, 82, 186, 0.15);
      transform: scale(1.03);
    }
    .pricing-ribbon {
      position: absolute;
      top: -12px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-gradient);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 4px 14px;
      border-radius: var(--radius-full);
      box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    }
    .pricing-title {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .pricing-desc {
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 20px;
      min-height: 40px;
    }
    .pricing-tag {
      font-size: 28px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 24px;
    }
    .pricing-tag span {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-light);
    }
    .pricing-features {
      list-style: none;
      margin-bottom: 30px;
      flex-grow: 1;
    }
    .pricing-features li {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .pricing-features li::before {
      content: "✓";
      color: var(--secondary);
      font-weight: bold;
    }

    /* 板块 5: 核心技术与底座架构 (深色反差) */
    .tech-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .tech-card-box {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 24px;
      margin-bottom: 18px;
      backdrop-filter: blur(8px);
    }
    .tech-card-box h4 {
      font-size: 17px;
      font-weight: 700;
      color: #38bdf8;
      margin-bottom: 8px;
    }
    .tech-card-box p {
      font-size: 14px;
      color: #cbd5e1;
      line-height: 1.6;
    }

    /* 板块 6: 业态场景演示 */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scenario-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: all 0.3s;
    }
    .scenario-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .scenario-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }
    .scenario-body {
      padding: 20px;
    }
    .scenario-body h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .scenario-body p {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.6;
    }

    /* 板块 7: 客户故事与真实案列 */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .case-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 30px;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }
    .case-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 16px;
    }
    .case-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .case-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .case-stat-badge {
      display: flex;
      gap: 20px;
      background: #f8fafc;
      padding: 14px 20px;
      border-radius: var(--radius-sm);
      border: 1px dashed #cbd5e1;
    }
    .stat-badge-unit h5 {
      font-size: 20px;
      font-weight: 800;
      color: var(--accent);
    }
    .stat-badge-unit span {
      font-size: 12px;
      color: var(--text-light);
    }

    /* 板块 8: 经营数据指标条 */
    .metrics-bar-section {
      background: var(--brand-gradient);
      color: #fff;
      padding: 50px 0;
    }
    .metrics-flex {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
    }
    .metric-col h3 {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 6px;
    }
    .metric-col p {
      font-size: 14px;
      opacity: 0.9;
    }

    /* 板块 9: 传统模式 vs 一体化系统深度对比 */
    .comparison-table-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      overflow-x: auto;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .comparison-table th, .comparison-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 15px;
    }
    .comparison-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }
    .col-highlight {
      background: rgba(15, 82, 186, 0.03);
      font-weight: 600;
      color: var(--primary);
    }

    /* 板块 10: 经营者评价墙 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .review-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 15px;
    }
    .review-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }
    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--text-muted);
    }

    /* 板块 11: 资讯与经营洞察证据 */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 26px;
    }
    .insight-card {
      background: #fff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .insight-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .insight-date {
      font-size: 12px;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .insight-body h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .insight-body p {
      font-size: 14px;
      color: var(--text-light);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .insight-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 板块 12: 异议拆解 FAQ */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      margin-bottom: 14px;
      overflow: hidden;
    }
    .faq-item details summary {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-item details summary::-webkit-details-marker {
      display: none;
    }
    .faq-item details summary::after {
      content: "+";
      font-size: 20px;
      font-weight: 400;
      color: var(--text-light);
      transition: transform 0.2s;
    }
    .faq-item details[open] summary::after {
      content: "-";
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块 13: 服务保障条与收口 */
    .guarantee-box {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 44px;
      box-shadow: var(--shadow-sm);
    }
    .guarantee-badges-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 35px;
      padding-bottom: 35px;
      border-bottom: 1px solid var(--border-color);
    }
    .guarantee-item {
      text-align: center;
    }
    .guarantee-icon {
      font-size: 26px;
      margin-bottom: 10px;
    }
    .guarantee-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .guarantee-item p {
      font-size: 13px;
      color: var(--text-light);
    }
    .consult-bar-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }
    .consult-text h4 {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
    }
    .consult-text p {
      font-size: 14px;
      color: var(--text-light);
    }
    .consult-form {
      display: flex;
      gap: 10px;
      flex-grow: 1;
      max-width: 480px;
    }
    .consult-form input {
      flex: 1;
      height: 46px;
      padding: 0 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
    }

    /* 页脚 Footer */
    .main-footer {
      background-color: #0c1527;
      color: #94a3b8;
      padding: 60px 0 30px;
      font-size: 14px;
      border-top: 1px solid rgba(255,255,255,0.06);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand h3 {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
    }
    .footer-brand p {
      line-height: 1.8;
      margin-bottom: 16px;
      max-width: 320px;
      font-size: 13px;
    }
    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a:hover {
      color: #38bdf8;
    }
    .footer-bottom {
      padding-top: 25px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      text-align: center;
      font-size: 13px;
      color: #64748b;
    }

    /* 底部固定转化条 (Sticky CTA Bar) */
    .sticky-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 999;
      background: rgba(15, 23, 42, 0.94);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding: 12px 0;
      transform: translateY(100%);
      transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
    }
    .sticky-bar.visible {
      transform: translateY(0);
    }
    .sticky-bar-content {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
    }
    .sticky-info {
      color: #fff;
    }
    .sticky-info h5 {
      font-size: 15px;
      font-weight: 700;
    }
    .sticky-info p {
      font-size: 12px;
      color: #94a3b8;
    }
    .sticky-actions {
      display: flex;
      gap: 12px;
    }

    /* 响应式样式适配 */
    @media (max-width: 1024px) {
      .hero-grid, .about-grid, .tech-grid {
        grid-template-columns: 1fr;
      }
      .strengths-grid, .pricing-grid, .reviews-grid, .insights-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .pricing-card.featured {
        transform: none;
      }
      .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .guarantee-badges-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-links, .nav-actions .btn {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .mobile-nav-panel {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-lg);
      }
      .mobile-nav-panel.open {
        display: flex;
        flex-direction: column;
        gap: 16px;
      }
      .hero-content h1 {
        font-size: 30px;
      }
      .strengths-grid, .pricing-grid, .reviews-grid, .insights-grid, .scenarios-grid, .cases-grid {
        grid-template-columns: 1fr;
      }
      .metrics-flex {
        grid-template-columns: 1fr 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .sticky-bar-content {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
      }
      .sticky-actions {
        flex-direction: column;
      }
    }