:root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --rainbow-grad: linear-gradient(135deg, #ef4444 0%, #f59e0b 20%, #10b981 40%, #06b6d4 60%, #6366f1 80%, #ec4899 100%);
      --rainbow-subtle: linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(245, 158, 11, 0.08), rgba(16, 185, 129, 0.08), rgba(99, 102, 241, 0.08));
      --bg-light: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
      --radius: 12px;
      --shadow-sm: 0 2px 4px rgba(0,0,0,0.03);
      --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
      --shadow-lg: 0 10px 30px rgba(0,0,0,0.08);
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.2s ease;
    }

    a:hover {
      color: var(--primary-hover);
    }

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

    /* 容器规范 */
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 1.25rem;
    }

    /* 顶部彩虹装饰条 */
    .rainbow-bar {
      height: 4px;
      width: 100%;
      background: var(--rainbow-grad);
    }

    /* 导航栏 */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand-group {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .brand-logo-wrap {
      display: flex;
      align-items: center;
      max-height: 44px;
    }

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

    .ai-page-home-link {
      font-weight: 600;
      font-size: 0.95rem;
      padding: 0.4rem 0.8rem;
      background: rgba(79, 70, 229, 0.08);
      border-radius: 6px;
      color: var(--primary);
    }

    /* 必须约束: .nav-links 的 gap 属性设置为 0 */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links li a {
      display: inline-block;
      padding: 0.5rem 0.75rem;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: 6px;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(0, 0, 0, 0.03);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .btn-nav-cta {
      background: var(--rainbow-grad);
      color: #ffffff !important;
      padding: 0.5rem 1.25rem;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
    }

    .btn-nav-cta:hover {
      opacity: 0.95;
      transform: translateY(-1px);
    }

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

    /* Hero 首屏 (无图片) */
    .hero-section {
      padding: 5rem 0 4rem;
      background: var(--bg-light);
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(239, 68, 68, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 40%);
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      padding: 0.35rem 1rem;
      border-radius: 50px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 1.5rem;
      box-shadow: var(--shadow-sm);
    }

    .hero-badge span {
      background: var(--rainbow-grad);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-left: 0.5rem;
    }

    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      color: var(--text-main);
      margin-bottom: 1.25rem;
    }

    .hero-subtitle {
      max-width: 800px;
      margin: 0 auto 2.25rem;
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 1rem;
      flex-wrap: wrap;
      margin-bottom: 3.5rem;
    }

    .btn-hero-main {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.85rem 2rem;
      font-size: 1.05rem;
      font-weight: 700;
      color: #ffffff !important;
      background: var(--rainbow-grad);
      border-radius: 50px;
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
    }

    .btn-hero-main:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    }

    .btn-hero-sub {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.85rem 2rem;
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 50px;
      box-shadow: var(--shadow-sm);
    }

    .btn-hero-sub:hover {
      background: #f1f5f9;
      color: var(--primary);
    }

    /* 首屏数据指标卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.25rem;
      max-width: 1000px;
      margin: 0 auto;
    }

    .stat-card {
      background: #ffffff;
      padding: 1.5rem 1rem;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      position: relative;
      overflow: hidden;
    }

    .stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: var(--rainbow-grad);
    }

    .stat-number {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 0.25rem;
    }

    .stat-label {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* 模版通用 Section 格式 */
    section {
      padding: 4.5rem 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 750px;
      margin: 0 auto 3rem;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.08);
      padding: 0.25rem 0.75rem;
      border-radius: 4px;
      margin-bottom: 0.75rem;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 0.75rem;
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-muted);
    }

    /* 关于我们 / 平台介绍 */
    .about-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 2.5rem;
      box-shadow: var(--shadow-md);
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2.5rem;
      align-items: center;
    }

    .about-text h3 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 1rem;
      color: var(--text-main);
    }

    .about-text p {
      color: var(--text-muted);
      margin-bottom: 1.25rem;
      font-size: 0.98rem;
      line-height: 1.7;
    }

    .about-features {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }

    .feature-item {
      background: var(--bg-light);
      padding: 1rem;
      border-radius: 8px;
      border-left: 4px solid var(--primary);
    }

    .feature-item h4 {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 0.25rem;
    }

    .feature-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin: 0;
    }

    /* 卡片网格 (服务与制作) */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.25rem;
    }

    .card-item {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 1.5rem;
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
    }

    .card-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(99, 102, 241, 0.4);
    }

    .card-icon-badge {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--rainbow-subtle);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      margin-bottom: 1rem;
      color: var(--primary);
      font-weight: bold;
    }

    .card-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      color: var(--text-main);
    }

    .card-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    /* 行业方案标签卡 */
    .solution-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 1.25rem;
      position: relative;
    }

    .solution-card h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 0.4rem;
      color: var(--text-main);
    }

    .solution-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 流程步骤 */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 1rem;
    }

    .step-box {
      background: #ffffff;
      padding: 1.5rem 1rem;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      text-align: center;
      position: relative;
    }

    .step-num {
      width: 36px;
      height: 36px;
      background: var(--rainbow-grad);
      color: #ffffff;
      font-weight: 800;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 0.75rem;
      font-size: 0.9rem;
    }

    .step-box h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 0.25rem;
    }

    .step-box p {
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 案例展示 */
    .case-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }

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

    .case-img-wrap {
      width: 100%;
      overflow: hidden;
      background: #f1f5f9;
    }

    .ai-page-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      transition: transform 0.3s ease;
    }

    .case-card:hover .ai-page-image {
      transform: scale(1.03);
    }

    .case-info {
      padding: 1.25rem;
    }

    .case-info h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

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

    /* 对比评测 (要求: 五星, 9.9分) */
    .eval-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 2rem;
      box-shadow: var(--shadow-md);
    }

    .eval-score-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: var(--bg-light);
      padding: 1.5rem 2rem;
      border-radius: 10px;
      margin-bottom: 2rem;
      border-left: 6px solid #10b981;
    }

    .score-badge-wrap {
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }

    .big-score {
      font-size: 3rem;
      font-weight: 900;
      color: #10b981;
      line-height: 1;
    }

    .score-stars {
      font-size: 1.2rem;
      color: #f59e0b;
    }

    .score-meta h4 {
      font-size: 1.2rem;
      font-weight: 700;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      padding: 1rem 1.25rem;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .compare-table th {
      background: var(--bg-light);
      font-weight: 700;
      color: var(--text-main);
    }

    .compare-table td.highlight {
      font-weight: 700;
      color: var(--primary);
      background: rgba(79, 70, 229, 0.03);
    }

    /* Token 比价与模型标签 */
    .model-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-bottom: 1.5rem;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 0.3rem 0.75rem;
      border-radius: 50px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 客户评论卡片 (6条) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
    }

    .review-card {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 1.5rem;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-content {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 1.25rem;
      line-height: 1.6;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      border-top: 1px dashed var(--border-color);
      padding-top: 0.75rem;
    }

    .avatar-placeholder {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--rainbow-grad);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }

    .user-info h5 {
      font-size: 0.95rem;
      font-weight: 700;
    }

    .user-info span {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 加盟代理模块 */
    .agency-box {
      background: linear-gradient(135deg, #1e1b4b, #312e81);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 3rem 2.5rem;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 2rem;
      align-items: center;
    }

    .agency-box h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 1rem;
      color: #ffffff;
    }

    .agency-box p {
      color: #cbd5e1;
      font-size: 1rem;
      margin-bottom: 1.5rem;
    }

    .agency-list {
      list-style: none;
      margin-bottom: 2rem;
    }

    .agency-list li {
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: #e2e8f0;
    }

    .btn-agency {
      display: inline-block;
      background: var(--rainbow-grad);
      color: #ffffff !important;
      font-weight: 700;
      padding: 0.85rem 2rem;
      border-radius: 50px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    }

    /* FAQ 折叠面板 */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    details.faq-item {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 1rem 1.25rem;
      box-shadow: var(--shadow-sm);
    }

    details.faq-item summary {
      font-weight: 700;
      font-size: 1.05rem;
      cursor: pointer;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--text-main);
    }

    details.faq-item summary::-webkit-details-marker {
      display: none;
    }

    details.faq-item summary::after {
      content: "+";
      font-size: 1.5rem;
      color: var(--primary);
      font-weight: 400;
    }

    details.faq-item[open] summary::after {
      content: "-";
    }

    details.faq-item p {
      margin-top: 0.75rem;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      border-top: 1px solid var(--border-color);
      padding-top: 0.75rem;
    }

    /* 文章列表 */
    .article-box {
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 1.5rem;
    }

    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 1rem;
      margin-top: 1rem;
    }

    .article-link-item {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.75rem;
      background: var(--bg-light);
      border-radius: 8px;
      font-weight: 500;
      color: var(--text-main);
    }

    .article-link-item:hover {
      background: rgba(79, 70, 229, 0.05);
      color: var(--primary);
    }

    /* 表单与联系区 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 2.5rem;
      background: #ffffff;
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 2.5rem;
      box-shadow: var(--shadow-md);
    }

    .contact-info h3 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 1rem;
    }

    .contact-info-list {
      margin-bottom: 1.5rem;
    }

    .contact-info-list p {
      margin-bottom: 0.6rem;
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .qr-card {
      background: var(--bg-light);
      padding: 1rem;
      border-radius: var(--radius);
      display: inline-block;
      text-align: center;
    }

    .qr-card img {
      width: 140px;
      height: 140px;
      margin: 0 auto 0.5rem;
    }

    .form-group {
      margin-bottom: 1.25rem;
    }

    .form-group label {
      display: block;
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 0.4rem;
    }

    .form-control {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      outline: none;
      transition: border 0.2s;
    }

    .form-control:focus {
      border-color: var(--primary);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    .btn-submit {
      width: 100%;
      padding: 0.85rem;
      background: var(--rainbow-grad);
      color: #ffffff;
      border: none;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
    }

    .btn-submit:hover {
      opacity: 0.95;
    }

    /* 页脚与友情链接 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 3.5rem 0 1.5rem;
      margin-top: auto;
    }

    .footer-content {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 2rem;
      margin-bottom: 2.5rem;
      border-bottom: 1px solid #1e293b;
      padding-bottom: 2.5rem;
    }

    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.25rem;
      margin-bottom: 0.75rem;
    }

    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.6;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 1rem;
    }

    .footer-col ul {
      list-style: none;
    }

    .footer-col ul li {
      margin-bottom: 0.5rem;
    }

    .footer-col ul li a {
      color: #94a3b8;
      font-size: 0.88rem;
    }

    .footer-col ul li a:hover {
      color: #ffffff;
    }

    .friend-links-box {
      margin-bottom: 2rem;
    }

    .friend-links-box h5 {
      color: #ffffff;
      font-size: 0.95rem;
      margin-bottom: 0.75rem;
    }

    .friend-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .friend-links-list a {
      color: #94a3b8;
      font-size: 0.88rem;
    }

    .friend-links-list a:hover {
      color: #ffffff;
    }

    .footer-bottom {
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动客服 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      background: #ffffff;
      border-radius: 50px;
      padding: 0.5rem 1rem;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      gap: 0.5rem;
      cursor: pointer;
    }

    .floating-kefu-badge {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #10b981;
    }

    .kefu-modal {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.5);
      z-index: 10000;
      align-items: center;
      justify-content: center;
    }

    .kefu-modal-content {
      background: #ffffff;
      padding: 2rem;
      border-radius: var(--radius);
      max-width: 360px;
      width: 90%;
      text-align: center;
      position: relative;
    }

    .close-modal {
      position: absolute;
      top: 10px;
      right: 15px;
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.1rem; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .about-box { grid-template-columns: 1fr; }
      .grid-3, .grid-4, .case-gallery, .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .process-steps { grid-template-columns: repeat(3, 1fr); }
      .contact-wrapper { grid-template-columns: 1fr; }
      .agency-box { grid-template-columns: 1fr; }
      .footer-content { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active { display: flex; }
      .nav-links li { width: 100%; text-align: center; }
      .nav-links li a { display: block; padding: 0.75rem 1rem; }
      .hero-title { font-size: 1.75rem; }
      .grid-3, .grid-4, .case-gallery, .reviews-grid, .hero-stats-grid { grid-template-columns: 1fr; }
      .process-steps { grid-template-columns: 1fr; }
      .eval-score-header { flex-direction: column; text-align: center; gap: 1rem; }
      .article-links-grid { grid-template-columns: 1fr; }
      .footer-content { grid-template-columns: 1fr; }
    }