/* roulang page: index */
:root {
      --primary: #0052D9;
      --primary-hover: #003cab;
      --accent: #00D4B2;
      --bg-main: #F8F9FB;
      --bg-white: #FFFFFF;
      --bg-dark: #0E1118;
      --bg-dark-card: #171C26;
      --text-dark: #111827;
      --text-body: #4B5563;
      --text-muted: #9CA3AF;
      --border-color: #E5E7EB;
      --border-dark: rgba(255, 255, 255, 0.08);
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
      --shadow-md: 0 8px 24px rgba(0,0,0,0.06);
      --shadow-lg: 0 16px 36px rgba(0,0,0,0.1);
      --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      --container: 1240px;
    }

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

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

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

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

    ul, ol {
      list-style: none;
    }

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

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

    .section {
      padding: 96px 0;
      position: relative;
    }

    .section-dark {
      background-color: var(--bg-dark);
      color: #E2E8F0;
    }

    .section-white {
      background-color: var(--bg-white);
    }

    .section-gray {
      background-color: var(--bg-main);
    }

    .section-title-wrap {
      margin-bottom: 56px;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      background-color: rgba(0, 82, 217, 0.08);
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-dark .section-badge {
      background-color: rgba(0, 212, 178, 0.12);
      color: var(--accent);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-dark .section-title {
      color: #FFFFFF;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-body);
      max-width: 780px;
      line-height: 1.75;
    }

    .section-dark .section-desc {
      color: #94A3B8;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 13px 28px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      font-size: 0.95rem;
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #FFFFFF;
      box-shadow: 0 4px 14px rgba(0, 82, 217, 0.25);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 82, 217, 0.35);
    }

    .btn-outline {
      background-color: transparent;
      border-color: var(--border-color);
      color: var(--text-dark);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background-color: rgba(0, 82, 217, 0.04);
    }

    .btn-accent {
      background-color: var(--accent);
      color: #0E1118;
      font-weight: 700;
    }

    .btn-accent:hover {
      background-color: #00bd9f;
      transform: translateY(-2px);
    }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }

    .top-bar {
      background-color: #0E1118;
      color: #94A3B8;
      font-size: 0.8rem;
      padding: 6px 0;
      border-bottom: 1px solid var(--border-dark);
    }

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

    .main-nav {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }

    .nav-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 800;
      font-size: 1.25rem;
      color: var(--text-dark);
    }

    .nav-brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), var(--accent));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      font-weight: 900;
      font-size: 1.1rem;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-link {
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-dark);
      padding: 6px 0;
      position: relative;
    }

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

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary);
      transition: var(--transition);
    }

    .nav-link:hover::after, .nav-link.active::after {
      width: 100%;
    }

    .nav-mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .nav-mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: var(--text-dark);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 01. Hero Section */
    .hero-section {
      padding: 80px 0 100px;
      background: linear-gradient(135deg, #0A0D14 0%, #151A24 100%);
      color: #FFF;
      position: relative;
      overflow: hidden;
    }

    .hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      background-image: url('/assets/images/fe5d4548596e6962.webp');
      background-size: cover;
      background-position: center;
      opacity: 0.18;
      mix-blend-mode: luminosity;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 56px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

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

    .hero-h1 span {
      background: linear-gradient(90deg, #FFFFFF, var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.1rem;
      color: #CBD5E1;
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 36px;
    }

    .hero-tag {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid var(--border-dark);
      padding: 6px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      color: #E2E8F0;
    }

    .hero-form-card {
      background: rgba(23, 28, 38, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(16px);
      padding: 36px;
      border-radius: var(--radius-lg);
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    }

    .hero-form-title {
      font-size: 1.35rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 8px;
    }

    .hero-form-desc {
      font-size: 0.88rem;
      color: #94A3B8;
      margin-bottom: 24px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 500;
      color: #CBD5E1;
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      background: rgba(14, 17, 24, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      color: #FFF;
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(0, 212, 178, 0.2);
    }

    /* 02. Services Matrix */
    .services-grid {
      display: grid;
      grid-template-columns: 1fr 1.5fr;
      gap: 48px;
      align-items: start;
    }

    .services-side {
      background: var(--bg-white);
      padding: 40px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .services-cards {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .service-card {
      background: var(--bg-white);
      padding: 32px 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(0, 82, 217, 0.3);
    }

    .service-icon {
      width: 48px;
      height: 48px;
      background: rgba(0, 82, 217, 0.08);
      color: var(--primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .service-title {
      font-size: 1.18rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .service-text {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.65;
    }

    /* 03. Advantages */
    .adv-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .adv-card {
      background: var(--bg-white);
      padding: 32px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .adv-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: rgba(0, 82, 217, 0.4);
    }

    .adv-badge {
      display: inline-block;
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary);
      background: rgba(0, 82, 217, 0.08);
      padding: 3px 8px;
      border-radius: var(--radius-sm);
      margin-bottom: 14px;
    }

    .adv-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .adv-desc {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* 04. Products Matrix */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

    .product-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .product-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
    }

    .product-img-wrap {
      height: 220px;
      overflow: hidden;
      position: relative;
    }

    .product-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .product-card:hover .product-img-wrap img {
      transform: scale(1.06);
    }

    .product-body {
      padding: 28px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .product-tag {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .product-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .product-desc {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.65;
      margin-bottom: 20px;
      flex: 1;
    }

    .product-meta {
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 05. Philosophy Timeline */
    .philo-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 64px;
      align-items: center;
    }

    .philo-timeline {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .philo-item {
      background: var(--bg-dark-card);
      border: 1px solid var(--border-dark);
      padding: 24px 28px;
      border-radius: var(--radius-md);
      position: relative;
      transition: var(--transition);
    }

    .philo-item:hover {
      border-color: var(--accent);
      transform: translateX(6px);
    }

    .philo-step {
      font-size: 0.8rem;
      font-weight: 800;
      color: var(--accent);
      letter-spacing: 1px;
      margin-bottom: 6px;
    }

    .philo-item-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #FFF;
      margin-bottom: 8px;
    }

    .philo-item-desc {
      font-size: 0.9rem;
      color: #94A3B8;
      line-height: 1.65;
    }

    /* 06. Stories */
    .stories-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 32px;
    }

    .story-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .story-quote {
      font-size: 1.05rem;
      font-weight: 500;
      color: var(--text-dark);
      line-height: 1.7;
      margin-bottom: 24px;
    }

    .story-author {
      display: flex;
      align-items: center;
      gap: 16px;
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
    }

    .story-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-main);
      border: 2px solid var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
    }

    .story-info-name {
      font-weight: 700;
      color: var(--text-dark);
      font-size: 0.95rem;
    }

    .story-info-title {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 07. Stats Strip */
    .stats-section {
      background: linear-gradient(135deg, #090C12 0%, #151A24 100%);
      padding: 60px 0;
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      color: #FFF;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .stat-item {
      padding: 16px;
    }

    .stat-value {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.1;
      margin-bottom: 8px;
      background: linear-gradient(90deg, #FFFFFF, var(--accent));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .stat-label {
      font-size: 0.95rem;
      color: #94A3B8;
      font-weight: 500;
    }

    /* 08. Testimonials */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .testi-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .testi-stars {
      color: #F59E0B;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }

    .testi-text {
      font-size: 0.92rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .testi-client {
      font-weight: 700;
      font-size: 0.92rem;
      color: var(--text-dark);
    }

    .testi-role {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 09. Tech News & Insights */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

    .news-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

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

    .news-img {
      height: 180px;
      overflow: hidden;
    }

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

    .news-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .news-meta {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .news-title {
      font-size: 1.12rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
      line-height: 1.45;
    }

    .news-desc {
      font-size: 0.9rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }

    .news-date {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 10. FAQ Accordion */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-header {
      padding: 22px 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 700;
      font-size: 1.05rem;
      color: var(--text-dark);
      user-select: none;
    }

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

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

    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
      background-color: #FAFAFB;
    }

    .faq-content-inner {
      padding: 0 28px 24px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
    }

    .faq-item.active .faq-content {
      max-height: 300px;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--primary);
    }

    /* 11. Guarantee Badges */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .guarantee-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .guarantee-icon {
      width: 52px;
      height: 52px;
      margin: 0 auto 16px;
      background: rgba(0, 82, 217, 0.06);
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: 800;
    }

    .guarantee-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 8px;
    }

    .guarantee-desc {
      font-size: 0.85rem;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* 12. Contact CTA */
    .contact-card {
      background: linear-gradient(135deg, #090C12 0%, #151A24 100%);
      border-radius: var(--radius-lg);
      padding: 64px 48px;
      color: #FFF;
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .contact-info-title {
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .contact-info-text {
      font-size: 1.05rem;
      color: #CBD5E1;
      line-height: 1.75;
      margin-bottom: 32px;
    }

    .contact-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      color: #94A3B8;
      font-size: 0.95rem;
    }

    .contact-item strong {
      color: #FFF;
    }

    /* Footer */
    .site-footer {
      background-color: #080A0E;
      color: #94A3B8;
      padding: 80px 0 32px;
      border-top: 1px solid var(--border-dark);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 64px;
    }

    .footer-brand-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: #FFF;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .footer-desc {
      font-size: 0.9rem;
      line-height: 1.75;
      margin-bottom: 24px;
      color: #64748B;
    }

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

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-links a {
      font-size: 0.9rem;
      color: #94A3B8;
    }

    .footer-links a:hover {
      color: var(--accent);
      padding-left: 4px;
    }

    .footer-bottom {
      border-top: 1px solid var(--border-dark);
      padding-top: 32px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #64748B;
    }

    /* Form Feedback Modal/Toast */
    .toast {
      position: fixed;
      bottom: 24px;
      right: 24px;
      background: #10B981;
      color: #FFF;
      padding: 16px 24px;
      border-radius: var(--radius-sm);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
      transform: translateY(100px);
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
      z-index: 2000;
    }

    .toast.show {
      transform: translateY(0);
      opacity: 1;
      visibility: visible;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid, .services-grid, .philo-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .adv-grid, .products-grid, .testimonials-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid, .guarantee-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-cta {
        display: none;
      }
      .nav-mobile-toggle {
        display: block;
      }
      .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #FFF;
        padding: 24px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
        gap: 16px;
      }
      .services-cards, .adv-grid, .products-grid, .stories-grid, .testimonials-grid, .news-grid, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: 1fr 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
      }
      .hero-h1 {
        font-size: 2.1rem;
      }
      .section {
        padding: 64px 0;
      }
    }