/* roulang page: index */
:root {
      --bg-main: #0A0E17;
      --bg-surface: #101626;
      --bg-card: rgba(18, 26, 43, 0.72);
      --bg-card-hover: rgba(26, 38, 64, 0.85);
      --primary: #1E6FFF;
      --primary-hover: #3b82f6;
      --accent-cyan: #00D2FF;
      --accent-purple: #7B61FF;
      --text-title: #F1F5F9;
      --text-body: #94A3B8;
      --text-muted: #64748B;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-light: rgba(0, 210, 255, 0.25);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 28px;
      --glow-shadow: 0 0 24px rgba(0, 210, 255, 0.35);
      --container-max: 1200px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-main);
      color: var(--text-body);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
      background-color: var(--bg-main);
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    ul, ol {
      list-style: none;
    }
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    .section-wrap {
      padding-top: 90px;
      padding-bottom: 90px;
      position: relative;
    }
    .section-alt {
      background: linear-gradient(180deg, rgba(16, 22, 38, 0.6) 0%, rgba(10, 14, 23, 0.9) 100%);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .text-center {
      text-align: center;
    }
    .section-header {
      margin-bottom: 56px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 500;
      background: rgba(30, 111, 255, 0.12);
      border: 1px solid rgba(0, 210, 255, 0.3);
      color: var(--accent-cyan);
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--text-title);
      line-height: 1.35;
      margin-bottom: 18px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-body);
      line-height: 1.75;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 13px 28px;
      border-radius: 999px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      min-height: 48px;
    }
    .btn-glow {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
      color: #FFFFFF;
      box-shadow: var(--glow-shadow);
    }
    .btn-glow:hover {
      box-shadow: 0 0 32px rgba(0, 210, 255, 0.55);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-title);
      border-color: rgba(255, 255, 255, 0.16);
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      transition: var(--transition);
    }
    .glass-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-light);
      transform: translateY(-4px);
    }
    .top-bar {
      background: rgba(10, 14, 23, 0.95);
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.82rem;
      color: var(--text-muted);
      padding: 6px 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .top-info-group {
      display: flex;
      gap: 20px;
    }
    .top-info-group span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .main-nav-bar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(10, 14, 23, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-title);
      letter-spacing: -0.5px;
    }
    .logo-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 900;
      font-size: 1.2rem;
      box-shadow: 0 0 16px rgba(0, 210, 255, 0.4);
    }
    .nav-links {
      display: flex;
      gap: 32px;
    }
    .nav-link {
      font-size: 0.95rem;
      color: var(--text-body);
      font-weight: 500;
      position: relative;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent-cyan);
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent-cyan);
      box-shadow: 0 0 8px var(--accent-cyan);
    }
    .nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .hero-section {
      position: relative;
      padding: 80px 0 120px;
      background: radial-gradient(circle at 50% 20%, rgba(30, 111, 255, 0.18) 0%, rgba(10, 14, 23, 0) 70%), url('/assets/images/974d7068044aa632.jpg') center/cover no-repeat;
      background-blend-mode: overlay;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(10, 14, 23, 0.88) 0%, rgba(10, 14, 23, 0.98) 100%);
      pointer-events: none;
    }
    .hero-container {
      position: relative;
      z-index: 2;
    }
    .hero-content {
      max-width: 880px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-title {
      font-size: 3.1rem;
      font-weight: 800;
      line-height: 1.25;
      color: var(--text-title);
      margin-bottom: 24px;
      letter-spacing: -0.8px;
    }
    .hero-title span {
      background: linear-gradient(135deg, #FFFFFF 20%, var(--accent-cyan) 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-body);
      line-height: 1.85;
      margin-bottom: 38px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-btn-group {
      display: flex;
      gap: 18px;
      justify-content: center;
      margin-bottom: 48px;
      flex-wrap: wrap;
    }
    .hero-badges-row {
      display: flex;
      justify-content: center;
      gap: 28px;
      flex-wrap: wrap;
      padding-top: 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .hero-badge-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      color: var(--text-title);
    }
    .hero-badge-item svg {
      color: var(--accent-cyan);
    }
    .hero-mockup-wrapper {
      margin-top: 50px;
      background: rgba(18, 26, 43, 0.6);
      border: 1px solid rgba(0, 210, 255, 0.3);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 40px rgba(30, 111, 255, 0.2);
    }
    .hero-mockup-wrapper img {
      width: 100%;
      height: 480px;
      object-fit: cover;
    }
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 56px;
      align-items: center;
    }
    .intro-left h2 {
      font-size: 2.2rem;
      font-weight: 700;
      color: var(--text-title);
      margin-bottom: 20px;
      line-height: 1.35;
    }
    .intro-left p {
      font-size: 1.02rem;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .cert-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }
    .cert-item {
      padding: 16px;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-color);
    }
    .cert-item strong {
      display: block;
      color: var(--accent-cyan);
      font-size: 1.1rem;
      margin-bottom: 4px;
    }
    .cert-item span {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .intro-right-img {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
    }
    .intro-right-img img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }
    .advantages-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .adv-card {
      padding: 34px 28px;
    }
    .adv-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(30, 111, 255, 0.15);
      border: 1px solid rgba(0, 210, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--accent-cyan);
    }
    .adv-card h3 {
      font-size: 1.25rem;
      color: var(--text-title);
      margin-bottom: 12px;
      font-weight: 600;
    }
    .adv-card p {
      font-size: 0.94rem;
      color: var(--text-body);
      line-height: 1.65;
    }
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .matrix-card {
      display: flex;
      flex-direction: column;
      padding: 36px 30px;
      border-radius: var(--radius-lg);
    }
    .matrix-header {
      margin-bottom: 20px;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .matrix-tag {
      font-size: 0.8rem;
      color: var(--accent-cyan);
      background: rgba(0, 210, 255, 0.1);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
    }
    .matrix-header h3 {
      font-size: 1.45rem;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .matrix-header p {
      font-size: 0.92rem;
      color: var(--text-body);
    }
    .matrix-features {
      margin-bottom: 30px;
      flex-grow: 1;
    }
    .matrix-features li {
      font-size: 0.92rem;
      color: var(--text-body);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .matrix-features li svg {
      color: var(--accent-cyan);
      flex-shrink: 0;
    }
    .philosophy-wrap {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 50px;
      align-items: center;
    }
    .philosophy-left h2 {
      font-size: 2.15rem;
      color: var(--text-title);
      margin-bottom: 20px;
      line-height: 1.35;
    }
    .philosophy-left p {
      font-size: 1.02rem;
      color: var(--text-body);
      line-height: 1.8;
      margin-bottom: 24px;
    }
    .topo-box {
      background: rgba(10, 14, 23, 0.7);
      border: 1px dashed rgba(0, 210, 255, 0.3);
      padding: 24px;
      border-radius: var(--radius-md);
    }
    .topo-step {
      display: flex;
      gap: 16px;
      margin-bottom: 16px;
    }
    .topo-step:last-child {
      margin-bottom: 0;
    }
    .topo-num {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      font-weight: 700;
      flex-shrink: 0;
    }
    .topo-info h4 {
      font-size: 1rem;
      color: var(--text-title);
      margin-bottom: 4px;
    }
    .topo-info p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 0;
    }
    .philosophy-right-card {
      padding: 32px;
    }
    .compare-bar {
      margin-top: 24px;
    }
    .compare-item {
      margin-bottom: 20px;
    }
    .compare-label {
      display: flex;
      justify-content: space-between;
      font-size: 0.9rem;
      margin-bottom: 6px;
      color: var(--text-title);
    }
    .compare-track {
      width: 100%;
      height: 8px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 4px;
      overflow: hidden;
      position: relative;
    }
    .compare-fill {
      height: 100%;
      background: linear-gradient(90deg, var(--primary), var(--accent-cyan));
      border-radius: 4px;
    }
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .story-card {
      padding: 34px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .story-body blockquote {
      font-size: 1.05rem;
      color: var(--text-title);
      line-height: 1.7;
      margin-bottom: 24px;
      font-style: italic;
    }
    .story-stats {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      padding: 16px;
      background: rgba(255, 255, 255, 0.03);
      border-radius: var(--radius-sm);
      margin-bottom: 24px;
    }
    .story-stat-num {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--accent-cyan);
    }
    .story-stat-label {
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    .story-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .author-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, #1E6FFF, #7B61FF);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-weight: 700;
    }
    .author-meta h4 {
      font-size: 0.98rem;
      color: var(--text-title);
    }
    .author-meta span {
      font-size: 0.82rem;
      color: var(--text-muted);
    }
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      text-align: center;
      padding: 44px 32px;
      background: linear-gradient(90deg, rgba(30, 111, 255, 0.12) 0%, rgba(0, 210, 255, 0.12) 100%);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
    }
    .metric-num {
      font-size: 2.8rem;
      font-weight: 800;
      color: #fff;
      margin-bottom: 6px;
      letter-spacing: -1px;
    }
    .metric-num span {
      color: var(--accent-cyan);
      font-size: 1.8rem;
    }
    .metric-text {
      font-size: 0.95rem;
      color: var(--text-body);
    }
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .testi-card {
      padding: 30px;
    }
    .star-row {
      display: flex;
      gap: 4px;
      color: #FFB800;
      margin-bottom: 16px;
    }
    .testi-text {
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.7;
      margin-bottom: 22px;
    }
    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .testi-avatar-box {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      border: 2px solid var(--border-light);
      overflow: hidden;
    }
    .testi-user-name {
      font-size: 0.95rem;
      color: var(--text-title);
      font-weight: 600;
    }
    .testi-user-club {
      font-size: 0.8rem;
      color: var(--accent-cyan);
    }
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card {
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .news-img {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .news-card:hover .news-img img {
      transform: scale(1.05);
    }
    .news-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(10, 14, 23, 0.8);
      border: 1px solid var(--border-light);
      color: var(--accent-cyan);
      font-size: 0.78rem;
      padding: 3px 10px;
      border-radius: 4px;
    }
    .news-content {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-time {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.15rem;
      color: var(--text-title);
      margin-bottom: 12px;
      line-height: 1.45;
    }
    .news-desc {
      font-size: 0.88rem;
      color: var(--text-body);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .news-link {
      font-size: 0.88rem;
      color: var(--accent-cyan);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 500;
    }
    .partners-grid {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 18px;
    }
    .partner-item {
      padding: 20px;
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .partner-item:hover {
      background: rgba(30, 111, 255, 0.1);
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
    }
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      margin-bottom: 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      background: var(--bg-card);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item[open] {
      border-color: var(--border-light);
    }
    .faq-question {
      padding: 22px 26px;
      cursor: pointer;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-title);
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-question::-webkit-details-marker {
      display: none;
    }
    .faq-icon-arrow {
      transition: transform 0.3s ease;
      color: var(--accent-cyan);
    }
    .faq-item[open] .faq-icon-arrow {
      transform: rotate(180deg);
    }
    .faq-answer {
      padding: 0 26px 24px;
      font-size: 0.95rem;
      color: var(--text-body);
      line-height: 1.75;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 16px;
    }
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .guarantee-card {
      padding: 26px 20px;
      text-align: center;
    }
    .guarantee-icon {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: rgba(0, 210, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-cyan);
    }
    .guarantee-card h4 {
      font-size: 1.05rem;
      color: var(--text-title);
      margin-bottom: 8px;
    }
    .guarantee-card p {
      font-size: 0.86rem;
      color: var(--text-muted);
    }
    .cta-card-box {
      padding: 56px 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
      background: radial-gradient(circle at 100% 0%, rgba(30, 111, 255, 0.25) 0%, rgba(18, 26, 43, 0.85) 80%);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-xl);
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    }
    .cta-info h2 {
      font-size: 2.2rem;
      color: var(--text-title);
      margin-bottom: 18px;
      line-height: 1.3;
    }
    .cta-info p {
      font-size: 1.02rem;
      color: var(--text-body);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .cta-service-points li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.92rem;
      color: var(--text-title);
      margin-bottom: 10px;
    }
    .cta-service-points svg {
      color: var(--accent-cyan);
    }
    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .form-group input, .form-group select {
      width: 100%;
      height: 50px;
      background: rgba(10, 14, 23, 0.8);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 0 18px;
      color: var(--text-title);
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }
    .form-group input:focus, .form-group select:focus {
      border-color: var(--accent-cyan);
      box-shadow: 0 0 10px rgba(0, 210, 255, 0.25);
    }
    .form-group select option {
      background: var(--bg-surface);
      color: var(--text-title);
    }
    .site-footer {
      background: #06090F;
      border-top: 1px solid var(--border-color);
      padding: 70px 0 30px;
      font-size: 0.92rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      margin-bottom: 50px;
    }
    .footer-col h4 {
      font-size: 1.05rem;
      color: var(--text-title);
      margin-bottom: 20px;
      font-weight: 600;
    }
    .footer-col p {
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 16px;
    }
    .footer-links li {
      margin-bottom: 12px;
    }
    .footer-links a {
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--accent-cyan);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--text-muted);
      font-size: 0.85rem;
    }
    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      color: var(--text-title);
      font-size: 1.6rem;
      cursor: pointer;
    }
    @media (max-width: 1024px) {
      .intro-grid, .philosophy-wrap, .stories-grid, .cta-card-box {
        grid-template-columns: 1fr;
        gap: 40px;
      }
      .advantages-grid, .matrix-grid, .testimonials-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .partners-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }
    }
    @media (max-width: 768px) {
      .top-bar {
        display: none;
      }
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 2.2rem;
      }
      .section-wrap {
        padding-top: 56px;
        padding-bottom: 56px;
      }
      .advantages-grid, .matrix-grid, .testimonials-grid, .news-grid, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .metrics-bar {
        grid-template-columns: 1fr 1fr;
        padding: 28px 16px;
      }
      .cta-card-box {
        padding: 32px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }