:root {
      --c-bg: #f7f9fc;
      --c-surface: #ffffff;
      --c-surface-soft: #f1f5f9;
      --c-primary: #3b82f6;
      --c-primary-dark: #1d4ed8;
      --c-accent-purple: #8b5cf6;
      --c-accent-coral: #f43f5e;
      --c-accent-emerald: #10b981;
      --c-accent-amber: #f59e0b;
      --c-text-main: #0f172a;
      --c-text-muted: #475569;
      --c-text-light: #64748b;
      --c-border: #e2e8f0;
      --c-border-subtle: #edf2f7;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
      --shadow-lg: 0 10px 20px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --container-max: 1200px;
    }

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

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

    body {
      background-color: var(--c-bg);
      background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(139, 92, 246, 0.08) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(244, 63, 94, 0.04) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(16, 185, 129, 0.06) 0px, transparent 50%);
      background-attachment: fixed;
      color: var(--c-text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

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

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--c-border);
      transition: all 0.3s ease;
    }

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

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--c-text-main);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      background: linear-gradient(135deg, #3b82f6, #8b5cf6);
      color: #ffffff;
      font-size: 0.7rem;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      text-transform: uppercase;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links a {
      padding: 8px 12px;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--c-text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--c-primary);
      background-color: rgba(59, 130, 246, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      text-align: center;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn:active {
      transform: translateY(0);
    }

    .btn-primary {
      background: linear-gradient(135deg, #2563eb, #7c3aed);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
    }

    .btn-primary:hover {
      box-shadow: 0 6px 18px rgba(37, 99, 235, 0.35);
      color: #ffffff;
    }

    .btn-outline {
      background: #ffffff;
      border-color: var(--c-border);
      color: var(--c-text-main);
    }

    .btn-outline:hover {
      border-color: var(--c-primary);
      color: var(--c-primary);
      background: rgba(59, 130, 246, 0.04);
    }

    .btn-warm {
      background: linear-gradient(135deg, #f59e0b, #ea580c);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(234, 88, 12, 0.25);
    }

    .btn-warm:hover {
      box-shadow: 0 6px 18px rgba(234, 88, 12, 0.35);
      color: #ffffff;
    }

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

    .section-spacing {
      padding: 72px 0;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(59, 130, 246, 0.1);
      color: var(--c-primary);
      border: 1px solid rgba(59, 130, 246, 0.2);
      border-radius: var(--radius-full);
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--c-text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--c-text-muted);
      line-height: 1.6;
    }

    /* Hero Section (首屏禁止图片) */
    .hero-section {
      padding: 70px 0 60px;
      position: relative;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }

    .hero-content {
      text-align: left;
    }

    .hero-badge-row {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--c-border);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      box-shadow: var(--shadow-sm);
      margin-bottom: 20px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--c-accent-emerald);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
    }

    .hero-badge-text {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--c-text-muted);
    }

    .hero-h1 {
      font-size: 2.5rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--c-text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-lead {
      font-size: 1.12rem;
      color: var(--c-text-muted);
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 36px;
    }

    .btn-hero-main {
      padding: 14px 28px;
      font-size: 1.05rem;
      font-weight: 700;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      padding-top: 24px;
      border-top: 1px solid var(--c-border);
    }

    .metric-item strong {
      display: block;
      font-size: 1.6rem;
      font-weight: 800;
      color: var(--c-text-main);
      line-height: 1.1;
      margin-bottom: 4px;
    }

    .metric-item span {
      font-size: 0.85rem;
      color: var(--c-text-light);
    }

    /* 首屏右侧纯代码几何动效面板 */
    .hero-canvas-card {
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-lg);
      position: relative;
      overflow: hidden;
    }

    .hero-canvas-card::before {
      content: "";
      position: absolute;
      top: -40%;
      right: -30%;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(139, 92, 246, 0.15), transparent 70%);
      pointer-events: none;
    }

    .terminal-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--c-border-subtle);
    }

    .terminal-dots {
      display: flex;
      gap: 6px;
    }

    .terminal-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot-red { background: #ef4444; }
    .dot-yellow { background: #f59e0b; }
    .dot-green { background: #10b981; }

    .terminal-title {
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--c-text-light);
      font-family: monospace;
    }

    .model-pill-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }

    .model-pill {
      font-size: 0.8rem;
      font-weight: 600;
      padding: 6px 12px;
      border-radius: var(--radius-md);
      background: var(--c-surface-soft);
      border: 1px solid var(--c-border);
      color: var(--c-text-main);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .model-pill.pill-hot {
      background: rgba(239, 68, 68, 0.08);
      border-color: rgba(239, 68, 68, 0.2);
      color: #dc2626;
    }

    .model-pill.pill-blue {
      background: rgba(59, 130, 246, 0.08);
      border-color: rgba(59, 130, 246, 0.2);
      color: #2563eb;
    }

    .model-pill.pill-purple {
      background: rgba(139, 92, 246, 0.08);
      border-color: rgba(139, 92, 246, 0.2);
      color: #7c3aed;
    }

    .workflow-preview-box {
      background: #f8fafc;
      border: 1px dashed var(--c-border);
      border-radius: var(--radius-md);
      padding: 16px;
      margin-top: 16px;
    }

    .workflow-step {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

    .workflow-step:last-child {
      margin-bottom: 0;
    }

    .step-icon-num {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      background: var(--c-primary);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .step-text {
      font-size: 0.85rem;
      color: var(--c-text-muted);
    }

    /* 平台介绍 */
    .platform-intro-card {
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .intro-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 24px;
      margin-top: 30px;
    }

    .intro-feat {
      padding: 20px;
      background: var(--c-surface-soft);
      border-radius: var(--radius-md);
      border-left: 4px solid var(--c-primary);
    }

    .intro-feat.feat-purple { border-left-color: var(--c-accent-purple); }
    .intro-feat.feat-emerald { border-left-color: var(--c-accent-emerald); }
    .intro-feat.feat-amber { border-left-color: var(--c-accent-amber); }

    .intro-feat h3 {
      font-size: 1.1rem;
      margin-bottom: 8px;
      color: var(--c-text-main);
    }

    .intro-feat p {
      font-size: 0.9rem;
      color: var(--c-text-muted);
    }

    /* 场景与能力卡片网格 */
    .card-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .service-card {
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(59, 130, 246, 0.4);
    }

    .card-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--c-primary);
      background: rgba(59, 130, 246, 0.08);
      padding: 3px 10px;
      border-radius: var(--radius-full);
      display: inline-block;
      margin-bottom: 14px;
      align-self: flex-start;
    }

    .service-card h3 {
      font-size: 1.15rem;
      margin-bottom: 10px;
      color: var(--c-text-main);
    }

    .service-card p {
      font-size: 0.88rem;
      color: var(--c-text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 流程步骤 */
    .step-line-wrap {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-box {
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .step-badge {
      font-size: 1.5rem;
      font-weight: 900;
      color: rgba(59, 130, 246, 0.25);
      margin-bottom: 12px;
      line-height: 1;
    }

    .step-box h3 {
      font-size: 1.1rem;
      margin-bottom: 8px;
      color: var(--c-text-main);
    }

    .step-box p {
      font-size: 0.88rem;
      color: var(--c-text-muted);
    }

    /* 对比评测表格与卡片 */
    .eval-highlight-box {
      background: linear-gradient(135deg, #eff6ff 0%, #f5f3ff 100%);
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .eval-score-badge {
      display: flex;
      align-items: baseline;
      gap: 10px;
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.4rem;
      letter-spacing: 2px;
    }

    .eval-score-num {
      font-size: 2.8rem;
      font-weight: 900;
      color: #1e3a8a;
      line-height: 1;
    }

    .eval-score-max {
      font-size: 1.1rem;
      color: var(--c-text-muted);
    }

    .table-container {
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 680px;
    }

    .eval-table th, 
    .eval-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--c-border);
    }

    .eval-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--c-text-main);
      font-size: 0.95rem;
    }

    .eval-table tr:hover td {
      background-color: #fafbfc;
    }

    .eval-table .tag-win {
      color: #15803d;
      font-weight: 700;
      background: #dcfce7;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.85rem;
    }

    /* 案例图片展示区 (非首屏) */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
      margin-bottom: 24px;
    }

    .media-card {
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .media-card .img-box {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #e2e8f0;
      overflow: hidden;
    }

    .media-card .img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }

    .media-card:hover .img-box img {
      transform: scale(1.03);
    }

    .media-info {
      padding: 20px;
    }

    .media-info h3 {
      font-size: 1.15rem;
      margin-bottom: 6px;
      color: var(--c-text-main);
    }

    .media-info p {
      font-size: 0.88rem;
      color: var(--c-text-muted);
    }

    .banner-gallery-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .banner-thumb-item {
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-sm);
      overflow: hidden;
      padding: 6px;
    }

    .banner-thumb-item img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 4px;
    }

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

    .review-card {
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.92rem;
      color: var(--c-text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      font-style: normal;
    }

    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--c-border-subtle);
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, #3b82f6, #8b5cf6);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }

    .reviewer-info h4 {
      font-size: 0.95rem;
      color: var(--c-text-main);
    }

    .reviewer-info span {
      font-size: 0.78rem;
      color: var(--c-text-light);
    }

    /* FAQ 面板 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-btn {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: none;
      border: none;
      font-size: 1rem;
      font-weight: 700;
      color: var(--c-text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.2s;
    }

    .faq-btn:hover {
      background: #f8fafc;
    }

    .faq-arrow {
      font-size: 0.85rem;
      color: var(--c-text-light);
      transition: transform 0.3s ease;
    }

    .faq-answer {
      padding: 0 24px 18px;
      font-size: 0.92rem;
      color: var(--c-text-muted);
      line-height: 1.6;
      display: none;
      border-top: 1px solid var(--c-border-subtle);
      margin-top: -6px;
      padding-top: 14px;
    }

    .faq-item.active .faq-arrow {
      transform: rotate(180deg);
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* 需求匹配与联系我们表单 */
    .contact-card-wrap {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

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

    .form-group label {
      display: block;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--c-text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--c-text-main);
      background: #ffffff;
      transition: border-color 0.2s;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--c-primary);
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
    }

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

    .contact-detail-box {
      background: var(--c-surface-soft);
      border-radius: var(--radius-md);
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .direct-info-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .direct-info-list li {
      font-size: 0.92rem;
      margin-bottom: 12px;
      color: var(--c-text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .direct-info-list strong {
      color: var(--c-text-main);
    }

    .qrcode-group {
      display: flex;
      align-items: center;
      gap: 16px;
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid var(--c-border);
    }

    .qrcode-group img {
      width: 90px;
      height: 90px;
      object-fit: contain;
      border-radius: 4px;
    }

    .qrcode-desc h4 {
      font-size: 0.95rem;
      color: var(--c-text-main);
      margin-bottom: 4px;
    }

    .qrcode-desc p {
      font-size: 0.8rem;
      color: var(--c-text-light);
    }

    /* 资讯与友情链接 */
    .article-link-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 14px;
    }

    .article-chip {
      background: #ffffff;
      border: 1px solid var(--c-border);
      padding: 8px 16px;
      border-radius: var(--radius-sm);
      font-size: 0.88rem;
      color: var(--c-text-main);
      transition: all 0.2s;
    }

    .article-chip:hover {
      border-color: var(--c-primary);
      color: var(--c-primary);
    }

    .partner-links-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      padding-top: 16px;
    }

    .partner-links-bar a {
      color: var(--c-text-muted);
      font-size: 0.88rem;
    }

    .partner-links-bar a:hover {
      color: var(--c-primary);
    }

    /* 页脚必须使用浅色深字 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--c-border);
      padding: 40px 0 24px;
      margin-top: 60px;
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 0.88rem;
      color: var(--c-text-muted);
    }

    .footer-copy strong {
      color: var(--c-text-main);
    }

    /* 悬浮客服 */
    .floating-support {
      position: fixed;
      right: 20px;
      bottom: 24px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .support-bubble-btn {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: linear-gradient(135deg, #2563eb, #7c3aed);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
      cursor: pointer;
      border: none;
      transition: transform 0.2s;
    }

    .support-bubble-btn:hover {
      transform: scale(1.08);
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .card-grid-3, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-4, .banner-gallery-row, .step-line-wrap {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-card-wrap {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links, .nav-actions .btn-outline {
        display: none;
      }
      .nav-toggle {
        display: block;
      }
      .card-grid-3, .card-grid-4, .testimonials-grid, .banner-gallery-row, .media-showcase-grid, .step-line-wrap {
        grid-template-columns: 1fr;
      }
      .hero-h1 {
        font-size: 1.9rem;
      }
      .hero-metrics {
        grid-template-columns: 1fr;
      }
    }