:root {
      --bg-main: #060913;
      --bg-card: rgba(13, 20, 36, 0.75);
      --bg-card-hover: rgba(22, 34, 60, 0.85);
      --neon-cyan: #00f0ff;
      --neon-purple: #a855f7;
      --neon-magenta: #ff007f;
      --neon-green: #10b981;
      --text-main: #f8fafc;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-glow: rgba(0, 240, 255, 0.25);
      --border-glow-purple: rgba(168, 85, 247, 0.3);
      --container-max: 1200px;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 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;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      position: relative;
    }

    /* 全局炫彩荧光氛围背景 */
    body::before {
      content: "";
      position: fixed;
      top: -20%;
      left: -10%;
      width: 60vw;
      height: 60vw;
      background: radial-gradient(circle, rgba(0, 240, 255, 0.08) 0%, rgba(6, 9, 19, 0) 70%);
      z-index: -2;
      pointer-events: none;
    }

    body::after {
      content: "";
      position: fixed;
      bottom: -20%;
      right: -10%;
      width: 60vw;
      height: 60vw;
      background: radial-gradient(circle, rgba(168, 85, 247, 0.08) 0%, rgba(6, 9, 19, 0) 70%);
      z-index: -2;
      pointer-events: none;
    }

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

    ul {
      list-style: none;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(6, 9, 19, 0.85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      height: 72px;
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo img.ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
      filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.4));
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      background: linear-gradient(135deg, #fff, var(--neon-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .nav-item {
      padding: 6px 14px;
      font-size: 0.95rem;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      position: relative;
    }

    .nav-item:hover, .nav-item.active {
      color: var(--neon-cyan);
    }

    .nav-cta-group {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: var(--transition);
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-neon {
      background: linear-gradient(135deg, var(--neon-cyan), #0084ff);
      color: #040814;
      box-shadow: 0 0 16px rgba(0, 240, 255, 0.35);
    }

    .btn-neon:hover {
      box-shadow: 0 0 24px rgba(0, 240, 255, 0.6);
      transform: translateY(-2px);
    }

    .btn-outline {
      border-color: var(--neon-purple);
      color: #f8fafc;
      background: rgba(168, 85, 247, 0.1);
    }

    .btn-outline:hover {
      background: rgba(168, 85, 247, 0.25);
      box-shadow: 0 0 16px rgba(168, 85, 247, 0.4);
      transform: translateY(-2px);
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: var(--text-main);
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* 区域通用规范 */
    section {
      padding: 90px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 56px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.825rem;
      font-weight: 600;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--neon-cyan);
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid rgba(0, 240, 255, 0.3);
      border-radius: 50px;
      margin-bottom: 16px;
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
    }

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

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 首屏 Hero 区域（无图片纯色几何动效设计） */
    .hero-section {
      padding: 100px 0 80px;
      min-height: calc(100vh - 72px);
      display: flex;
      align-items: center;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: center;
    }

    .hero-h1 {
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 24px;
      background: linear-gradient(135deg, #ffffff 30%, var(--neon-cyan) 75%, var(--neon-purple) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-summary {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.8;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 40px;
    }

    .hero-actions .btn {
      padding: 14px 32px;
      font-size: 1.05rem;
    }

    .hero-badge-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    .hero-badge span {
      color: var(--neon-cyan);
      font-weight: bold;
    }

    /* 首屏纯CSS科技卡片展示（无图） */
    .hero-cyber-panel {
      background: linear-gradient(160deg, rgba(13, 20, 36, 0.9), rgba(20, 10, 35, 0.85));
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: 0 0 35px rgba(0, 240, 255, 0.15);
      position: relative;
      overflow: hidden;
    }

    .hero-cyber-panel::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--neon-cyan), var(--neon-purple), transparent);
    }

    .panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      padding-bottom: 14px;
    }

    .panel-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .panel-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--neon-green);
      box-shadow: 0 0 10px var(--neon-green);
    }

    .panel-metrics {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 24px;
    }

    .metric-card {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.06);
      padding: 16px;
      border-radius: var(--radius-md);
    }

    .metric-value {
      font-size: 1.75rem;
      font-weight: 800;
      color: var(--neon-cyan);
      margin-bottom: 4px;
    }

    .metric-label {
      font-size: 0.85rem;
      color: var(--text-dim);
    }

    .panel-status-box {
      background: rgba(0, 0, 0, 0.4);
      padding: 16px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--neon-purple);
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 平台核心能力卡片 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .feature-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
      position: relative;
    }

    .feature-card:hover {
      background: var(--bg-card-hover);
      border-color: var(--border-glow);
      transform: translateY(-6px);
      box-shadow: 0 12px 30px rgba(0, 240, 255, 0.12);
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-sm);
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid rgba(0, 240, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 20px;
      color: var(--neon-cyan);
    }

    .feature-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 12px;
      color: #fff;
    }

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

    /* 场景矩阵与图文板块 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 20px;
    }

    .scene-item {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: var(--transition);
    }

    .scene-item:hover {
      border-color: var(--neon-purple);
      box-shadow: 0 8px 24px rgba(168, 85, 247, 0.15);
      transform: translateY(-4px);
    }

    .scene-item h4 {
      font-size: 1.1rem;
      color: #fff;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .scene-item h4 span {
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
      background: rgba(168, 85, 247, 0.15);
      color: var(--neon-purple);
      font-weight: normal;
    }

    .scene-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 素材图片展示区 */
    .media-showcase {
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      gap: 28px;
      align-items: center;
      margin-top: 48px;
    }

    .media-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }

    .media-card img {
      width: 100%;
      height: auto;
      display: block;
      transition: var(--transition);
    }

    .media-card:hover img {
      transform: scale(1.02);
    }

    .media-card-content {
      padding: 24px;
    }

    .media-card-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }

    .media-card-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .banner-trio {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 36px;
    }

    .banner-item {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.08);
      background: var(--bg-card);
    }

    .banner-item img.ai-page-image {
      width: 100%;
      height: auto;
      display: block;
    }

    /* 流程步骤 */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .process-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 30px 24px;
      text-align: center;
      position: relative;
    }

    .process-step-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: rgba(0, 240, 255, 0.2);
      margin-bottom: 12px;
      line-height: 1;
    }

    .process-name {
      font-size: 1.15rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
    }

    .process-info {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测表格 */
    .compare-container {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 0 10px 40px rgba(0, 240, 255, 0.08);
    }

    .score-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      background: linear-gradient(90deg, rgba(0, 240, 255, 0.1), rgba(168, 85, 247, 0.1));
      border: 1px solid rgba(0, 240, 255, 0.3);
      border-radius: var(--radius-md);
      padding: 24px 32px;
      margin-bottom: 32px;
    }

    .score-left h3 {
      font-size: 1.4rem;
      color: #fff;
      margin-bottom: 4px;
    }

    .score-left p {
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .score-right {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }

    .score-number {
      font-size: 3rem;
      font-weight: 900;
      color: var(--neon-cyan);
      text-shadow: 0 0 20px rgba(0, 240, 255, 0.6);
    }

    .score-max {
      font-size: 1.25rem;
      color: var(--text-dim);
    }

    .stars {
      color: #fbbf24;
      font-size: 1.4rem;
      margin-left: 12px;
    }

    .compare-table-wrapper {
      overflow-x: auto;
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }

    .compare-table th, .compare-table td {
      padding: 18px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .compare-table th {
      font-size: 1.05rem;
      color: #fff;
      background: rgba(255, 255, 255, 0.02);
    }

    .compare-table td {
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .compare-table tr:hover td {
      background: rgba(255, 255, 255, 0.02);
    }

    .highlight-col {
      color: var(--neon-cyan) !important;
      font-weight: 600;
      background: rgba(0, 240, 255, 0.04);
    }

    /* 行业方案与网络 */
    .network-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .network-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 28px;
    }

    .network-card h4 {
      font-size: 1.2rem;
      color: #fff;
      margin-bottom: 14px;
      border-left: 3px solid var(--neon-cyan);
      padding-left: 10px;
    }

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

    /* 用户评论 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      display: flex;
      align-items: center;
      justify-content: center;
      color: #040814;
      font-weight: bold;
      font-size: 1rem;
    }

    .reviewer-meta h5 {
      font-size: 0.95rem;
      color: #fff;
    }

    .reviewer-meta span {
      font-size: 0.825rem;
      color: var(--text-dim);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: rgba(0, 240, 255, 0.4);
    }

    .faq-header {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      user-select: none;
      font-weight: 600;
      font-size: 1.05rem;
      color: #fff;
    }

    .faq-icon {
      font-size: 1.25rem;
      color: var(--neon-cyan);
      transition: var(--transition);
    }

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
      background: rgba(0, 0, 0, 0.2);
    }

    .faq-body p {
      padding: 0 24px 20px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

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

    /* 需求匹配与联系表单 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
    }

    .form-box {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 36px;
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      background: rgba(0, 0, 0, 0.4);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-sm);
      color: #fff;
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }

    .form-control:focus {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    .contact-info-panel {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      gap: 24px;
    }

    .info-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .info-card h4 {
      font-size: 1.15rem;
      color: #fff;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .info-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .qrcode-box {
      display: flex;
      align-items: center;
      gap: 20px;
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-md);
      padding: 20px;
    }

    .qrcode-box img {
      width: 100px;
      height: 100px;
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.2);
    }

    /* 资讯与友情链接 */
    .article-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 16px;
    }

    .article-link-tag {
      padding: 8px 16px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-sm);
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .article-link-tag:hover {
      color: var(--neon-cyan);
      border-color: var(--neon-cyan);
      background: rgba(0, 240, 255, 0.05);
    }

    /* 底部通用规范 */
    .site-footer {
      background: #03050a;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 60px 0 30px;
      color: #cbd5e1;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 48px;
    }

    .footer-col h5 {
      font-size: 1.05rem;
      color: #fff;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      color: #94a3b8;
      font-size: 0.9rem;
    }

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

    .friend-links-box {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      margin-bottom: 28px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }

    .friend-links-label {
      font-size: 0.875rem;
      color: #94a3b8;
      font-weight: 600;
    }

    .friend-links-box a {
      color: #64748b;
      font-size: 0.875rem;
    }

    .friend-links-box a:hover {
      color: var(--neon-cyan);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动组件 */
    .floating-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 99;
    }

    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(13, 20, 36, 0.9);
      border: 1px solid var(--border-glow);
      color: var(--neon-cyan);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      box-shadow: 0 4px 16px rgba(0, 240, 255, 0.25);
      cursor: pointer;
      transition: var(--transition);
    }

    .floating-btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(0, 240, 255, 0.5);
      background: var(--neon-cyan);
      color: #040814;
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-grid, .contact-grid, .media-showcase {
        grid-template-columns: 1fr;
      }
      .grid-3, .network-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-4, .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .site-header {
        height: 64px;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: #060913;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        display: none;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-item {
        width: 100%;
        text-align: center;
        padding: 12px 0;
      }
      .nav-cta-group {
        display: none;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
      .grid-3, .grid-4, .network-grid, .reviews-grid, .process-timeline, .banner-trio {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .score-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }