/* roulang page: index */
:root {
      --primary: #0F4C81;
      --primary-dark: #1B365D;
      --accent: #FF6B35;
      --accent-hover: #e85a26;
      --surface-dark: #0B132B;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: rgba(15, 76, 129, 0.12);
      --card-radius: 20px;
      --pill-radius: 9999px;
      --shadow-soft: 0 12px 32px -4px rgba(15, 76, 129, 0.08);
      --shadow-hover: 0 20px 40px -6px rgba(15, 76, 129, 0.16);
      --transition: all 0.3s 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: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      color: var(--text-main);
      background-color: var(--bg-white);
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    .container {
      width: 100%;
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* 顶部微型功能条 */
    .topbar {
      background-color: var(--surface-dark);
      color: #94A3B8;
      font-size: 0.825rem;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .topbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .topbar-links span {
      margin-right: 20px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 导航栏 */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      box-shadow: 0 2px 20px rgba(15, 76, 129, 0.06);
      transition: var(--transition);
    }
    .navbar .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary-dark);
      letter-spacing: -0.5px;
    }
    .brand-logo-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.15rem;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }
    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: #334155;
      transition: var(--transition);
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--primary);
    }
    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      color: #fff;
      padding: 10px 22px;
      border-radius: var(--pill-radius);
      font-size: 0.9rem;
      font-weight: 600;
      transition: var(--transition);
      box-shadow: 0 4px 14px rgba(15, 76, 129, 0.25);
    }
    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(15, 76, 129, 0.35);
    }

    /* 按钮规范 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 14px 28px;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 12px;
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      min-height: 48px;
    }
    .btn-accent {
      background: linear-gradient(135deg, var(--accent), var(--accent-hover));
      color: #fff;
      box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
    }
    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 25px rgba(255, 107, 53, 0.45);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.85);
      border-color: rgba(15, 76, 129, 0.2);
      color: var(--primary-dark);
    }
    .btn-outline:hover {
      background: #fff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }

    /* 徽章与标签 */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border-radius: var(--pill-radius);
      font-size: 0.825rem;
      font-weight: 600;
    }
    .badge-primary {
      background: rgba(15, 76, 129, 0.1);
      color: var(--primary);
    }
    .badge-accent {
      background: rgba(255, 107, 53, 0.12);
      color: var(--accent);
    }

    /* 通用区块排版 */
    .section-wrap {
      padding: 88px 0;
    }
    .section-bg-light {
      background-color: var(--bg-light);
    }
    .section-dark {
      background-color: var(--surface-dark);
      color: #F8FAFC;
    }
    .section-header {
      margin-bottom: 56px;
      text-align: center;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin: 12px 0 16px;
      letter-spacing: -0.5px;
      line-height: 1.3;
    }
    .section-dark .section-title {
      color: #FFFFFF;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* 首屏 Hero */
    .hero-section {
      position: relative;
      background: linear-gradient(135deg, rgba(15, 76, 129, 0.04) 0%, rgba(27, 54, 93, 0.08) 100%), url('/assets/images/da12e7b7f0094b1b.jpg') center/cover no-repeat;
      padding: 100px 0 120px;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.85) 60%, rgba(255,255,255,0.6) 100%);
      z-index: 1;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
    }
    .hero-text h1 {
      font-size: 2.85rem;
      line-height: 1.25;
      font-weight: 850;
      color: var(--primary-dark);
      margin: 16px 0 20px;
    }
    .hero-text h1 span {
      background: linear-gradient(135deg, var(--primary), var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.125rem;
      color: #475569;
      line-height: 1.8;
      margin-bottom: 36px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }
    .hero-visual {
      position: relative;
    }
    .hero-dashboard-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      padding: 24px;
      box-shadow: 0 24px 50px rgba(15, 76, 129, 0.15);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .floating-badge {
      position: absolute;
      background: #fff;
      padding: 12px 18px;
      border-radius: 14px;
      box-shadow: 0 12px 28px rgba(0,0,0,0.12);
      display: flex;
      align-items: center;
      gap: 12px;
      border: 1px solid rgba(15, 76, 129, 0.08);
      animation: float 4s ease-in-out infinite;
    }
    .floating-badge-1 { bottom: -20px; left: -20px; }
    .floating-badge-2 { top: 20px; right: -20px; animation-delay: 2s; }
    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-8px); }
    }

    /* 卖点三连 */
    .highlights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      margin-top: -50px;
      position: relative;
      z-index: 10;
    }
    .highlight-card {
      background: #FFFFFF;
      border-radius: var(--card-radius);
      padding: 32px 28px;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .highlight-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(15, 76, 129, 0.25);
    }
    .highlight-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(15, 76, 129, 0.08);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
    }

    /* 核心介绍 (图文双列) */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .intro-img-wrap {
      position: relative;
      border-radius: var(--card-radius);
      overflow: hidden;
      box-shadow: var(--shadow-soft);
      border: 1px solid var(--border-color);
    }
    .intro-specs-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 28px;
    }
    .intro-spec-item {
      background: #fff;
      padding: 16px;
      border-radius: 12px;
      border-left: 4px solid var(--primary);
      box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    }
    .intro-spec-item strong {
      display: block;
      color: var(--primary-dark);
      font-size: 1.1rem;
    }
    .intro-spec-item span {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 入口矩阵 / 功能六宫格 */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .feature-card {
      background: #fff;
      border-radius: var(--card-radius);
      padding: 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }
    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .feature-card-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 20px;
    }
    .feature-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 12px;
    }
    .feature-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 方案矩阵对比 (大卡) */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .solution-card {
      background: #fff;
      border-radius: var(--card-radius);
      padding: 36px 30px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      position: relative;
      transition: var(--transition);
    }
    .solution-card.featured {
      border: 2px solid var(--accent);
      box-shadow: 0 16px 36px rgba(255, 107, 53, 0.12);
    }
    .solution-ribbon {
      position: absolute;
      top: 18px;
      right: 18px;
    }
    .solution-card h3 {
      font-size: 1.35rem;
      color: var(--primary-dark);
      margin-bottom: 12px;
    }
    .solution-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .solution-features {
      list-style: none;
      margin-bottom: 32px;
      flex-grow: 1;
    }
    .solution-features li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      color: #334155;
      padding: 8px 0;
      border-bottom: 1px dashed rgba(15, 76, 129, 0.08);
    }
    .solution-features li i {
      color: #10B981;
    }

    /* 深色选址方法论 */
    .methodology-flow {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 40px;
    }
    .method-step {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 18px;
      padding: 28px 22px;
      position: relative;
      transition: var(--transition);
    }
    .method-step:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: var(--accent);
      transform: translateY(-4px);
    }
    .step-number {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 12px;
      font-family: monospace;
    }
    .method-step h4 {
      font-size: 1.15rem;
      color: #fff;
      margin-bottom: 10px;
    }
    .method-step p {
      font-size: 0.88rem;
      color: #94A3B8;
      line-height: 1.6;
    }

    /* 落地案例 */
    .cases-list {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }
    .case-card {
      background: #fff;
      border-radius: var(--card-radius);
      padding: 36px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .case-card:nth-child(even) {
      grid-template-columns: 0.9fr 1.1fr;
    }
    .case-card:nth-child(even) .case-content {
      order: 2;
    }
    .case-card:nth-child(even) .case-img {
      order: 1;
    }
    .case-img {
      border-radius: 14px;
      overflow: hidden;
    }
    .case-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .case-metric-box {
      background: var(--bg-light);
      padding: 14px;
      border-radius: 10px;
      text-align: center;
    }
    .case-metric-box strong {
      display: block;
      color: var(--accent);
      font-size: 1.35rem;
      font-weight: 800;
    }
    .case-metric-box span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 运营数据统计条 */
    .stats-bar {
      background: linear-gradient(135deg, var(--primary-dark) 0%, #081C3D 100%);
      color: #fff;
      padding: 60px 0;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }
    .stat-number {
      font-size: 3rem;
      font-weight: 850;
      color: #FFFFFF;
      letter-spacing: -1px;
      margin-bottom: 6px;
    }
    .stat-number em {
      font-style: normal;
      color: var(--accent);
      font-size: 1.6rem;
      margin-left: 2px;
    }
    .stat-label {
      font-size: 1rem;
      color: #94A3B8;
    }

    /* 口碑评价墙 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .review-card {
      background: #fff;
      border-radius: var(--card-radius);
      padding: 32px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #F59E0B;
      margin-bottom: 14px;
      font-size: 0.95rem;
    }
    .review-body {
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .reviewer-avatar {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }
    .reviewer-info strong {
      display: block;
      font-size: 0.95rem;
      color: var(--primary-dark);
    }
    .reviewer-info span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 资讯列表 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      background: #fff;
      border-radius: var(--card-radius);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-soft);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .news-img {
      height: 180px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .news-card:hover .news-img img {
      transform: scale(1.05);
    }
    .news-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .news-date {
      font-size: 0.825rem;
      color: #94A3B8;
      margin-bottom: 8px;
    }
    .news-content h3 {
      font-size: 1.15rem;
      color: var(--primary-dark);
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .news-content p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .news-link {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    /* 常见问题 (手风琴) */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item summary {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--primary-dark);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      list-style: none;
    }
    .faq-item summary::-webkit-details-marker {
      display: none;
    }
    .faq-item summary::after {
      content: "\f078";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 0.9rem;
      color: var(--text-muted);
      transition: transform 0.3s;
    }
    .faq-item[open] summary::after {
      transform: rotate(180deg);
      color: var(--primary);
    }
    .faq-content {padding: 0 24px 22px;
      font-size: 0.95rem;
      color: #475569;
      line-height: 1.75;
      border-top: 1px solid rgba(15, 76, 129, 0.06);
      padding-top: 18px;
    }

    /* 权威保障条 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-card {
      background: #FFFFFF;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 28px 20px;
      text-align: center;
      transition: var(--transition);
    }
    .guarantee-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-soft);
    }
    .guarantee-icon {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .guarantee-card h4 {
      font-size: 1.05rem;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }
    .guarantee-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 底部转化行动区 (留资表单) */
    .cta-card-wrap {
      background: linear-gradient(135deg, var(--primary-dark) 0%, #0B132B 100%), url('/assets/images/45eee47f65dee7db.jpg') center/cover;
      background-blend-mode: overlay;
      border-radius: 28px;
      padding: 64px 56px;
      color: #fff;
      box-shadow: 0 24px 60px rgba(11, 19, 43, 0.25);
    }
    .cta-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 56px;
      align-items: center;
    }
    .cta-left h2 {
      font-size: 2.3rem;
      line-height: 1.3;
      margin-bottom: 20px;
    }
    .cta-left p {
      font-size: 1.05rem;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .cta-features-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .cta-features-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: #E2E8F0;
      font-size: 0.95rem;
    }
    .cta-features-list li i {
      color: var(--accent);
    }
    .cta-form-box {
      background: #FFFFFF;
      border-radius: 20px;
      padding: 36px 32px;
      color: var(--text-main);
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
    }
    .cta-form-box h3 {
      font-size: 1.3rem;
      color: var(--primary-dark);
      margin-bottom: 8px;
      text-align: center;
    }
    .cta-form-box .form-subtitle {
      font-size: 0.85rem;
      color: var(--text-muted);
      text-align: center;
      margin-bottom: 24px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 10px;
      border: 1px solid #CBD5E1;
      font-size: 0.95rem;
      transition: var(--transition);
      background: #F8FAFC;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #fff;
      box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
    }

    /* 全局页脚 */
    .site-footer {
      background-color: #070D1E;
      color: #94A3B8;
      padding: 80px 0 32px;
      font-size: 0.9rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
      gap: 48px;
      margin-bottom: 56px;
    }
    .footer-col h4 {
      color: #fff;
      font-size: 1.05rem;
      margin-bottom: 22px;
      position: relative;
    }
    .footer-about p {
      line-height: 1.7;
      margin-top: 14px;
      color: #64748B;
      font-size: 0.875rem;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a {
      color: #94A3B8;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }
    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      font-size: 0.875rem;
    }
    .footer-contact-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
    }
    .footer-contact-list i {
      color: var(--accent);
      margin-top: 4px;
    }
    .footer-bottom {
      padding-top: 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.825rem;
    }
    .footer-bottom a {
      color: #64748B;
    }
    .footer-bottom a:hover {
      color: #94A3B8;
    }

    /* 移动端菜单控制与响应式 */
    .mobile-toggle {
      display: none;
      background: transparent;
      border: none;
      font-size: 1.5rem;
      color: var(--primary-dark);
      cursor: pointer;
    }

    @media (max-width: 1024px) {
      .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .highlights-grid {
        grid-template-columns: 1fr;
        margin-top: 30px;
      }
      .features-grid, .solutions-grid, .reviews-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .methodology-flow {
        grid-template-columns: repeat(2, 1fr);
      }
      .case-card, .case-card:nth-child(even) {
        grid-template-columns: 1fr;
      }
      .case-card:nth-child(even) .case-content {
        order: 1;
      }
      .case-card:nth-child(even) .case-img {
        order: 2;
      }
      .stats-grid, .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .cta-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .topbar {
        display: none;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px;
        box-shadow: 0 16px 30px rgba(0, 0, 0, 0.1);
        gap: 18px;
        display: none;
      }
      .nav-menu.show {
        display: flex;
      }
      .nav-cta {
        display: none;
      }
      .hero-text h1 {
        font-size: 2.1rem;
      }
      .intro-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .features-grid, .solutions-grid, .reviews-grid, .news-grid, .methodology-flow {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .cta-card-wrap {
        padding: 36px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .floating-badge {
        display: none;
      }
    }