/* 亮紫绚烂风 全局基础 Reset & Color Theme */
    :root {
      --primary: #7c3aed;
      --primary-hover: #6d28d9;
      --primary-light: #f3e8ff;
      --accent: #d946ef;
      --accent-glow: rgba(217, 70, 239, 0.15);
      --bg-page: #faf9fe;
      --bg-card: #ffffff;
      --bg-subtle: #f4f0fb;
      --text-main: #1f1b2e;
      --text-muted: #645e78;
      --text-light: #948ea5;
      --border-color: #e9d5ff;
      --border-light: #f3e8ff;
      --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.06);
      --shadow-md: 0 8px 24px rgba(124, 58, 237, 0.1);
      --shadow-lg: 0 16px 36px rgba(124, 58, 237, 0.14);
      --radius: 12px;
      --container-width: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background: linear-gradient(180deg, #f8f5ff 0%, #faf9fe 100%);
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.25s ease;
    }
    a:hover {
      color: var(--primary-hover);
    }

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

    /* Section Global Headers */
    .section-padding {
      padding: 80px 0;
    }
    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 48px auto;
    }
    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 50px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      gap: 8px;
      text-decoration: none;
    }
    .btn-primary {
      background: linear-gradient(135deg, #7c3aed 0%, #a855f7 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
    }
    .btn-secondary {
      background: #ffffff;
      color: var(--primary) !important;
      border-color: var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .btn-secondary:hover {
      border-color: var(--primary);
      background: var(--primary-light);
      transform: translateY(-2px);
    }

    /* Header & Navigation */
    .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(--border-light);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

    /* Requirement J.5 / Navigation Gap Constraint */
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li {
      margin: 0 8px;
    }
    .nav-links a {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-main);
      padding: 6px 8px;
      border-radius: 6px;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
      background: var(--primary-light);
    }

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

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
    }

    /* Section 1: Hero (No image allowed in Hero area) */
    .hero-section {
      padding: 90px 0 70px 0;
      background: linear-gradient(135deg, #f5f0ff 0%, #faf5ff 50%, #f3e8ff 100%);
      border-bottom: 1px solid var(--border-light);
      position: relative;
    }
    .hero-content {
      max-width: 900px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(124, 58, 237, 0.08);
      border: 1px solid rgba(124, 58, 237, 0.2);
      border-radius: 30px;
      color: var(--primary);
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.7;
    }
    .hero-ctas {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .hero-features-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 40px;
    }
    .hero-feature-card {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: var(--radius);
      text-align: left;
      transition: all 0.3s ease;
    }
    .hero-feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .hero-card-num {
      font-size: 24px;
      font-weight: 800;
      color: var(--accent);
      margin-bottom: 4px;
    }
    .hero-card-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .hero-card-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* Section 2: Platform Intro & About */
    .about-section {
      background: #ffffff;
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .about-text h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .about-text p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 15px;
      line-height: 1.7;
    }
    .about-highlights {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .highlight-item {
      padding: 16px;
      background: var(--bg-subtle);
      border-left: 4px solid var(--primary);
      border-radius: 0 8px 8px 0;
    }
    .highlight-item h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .highlight-item p {
      font-size: 13px;
      margin: 0;
    }
    .about-visual {
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    /* Section 3: AIGC Services (Grid) */
    .services-section {
      background: var(--bg-page);
    }
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      transition: all 0.3s ease;
      position: relative;
    }
    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .service-badge {
      display: inline-block;
      padding: 2px 10px;
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
      background: var(--accent-glow);
      border-radius: 4px;
      margin-bottom: 12px;
    }
    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Model Tag Cloud */
    .models-box {
      margin-top: 48px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 32px;
      text-align: center;
    }
    .models-box h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }
    .tag-chip {
      padding: 6px 14px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      border-radius: 20px;
      border: 1px solid rgba(124, 58, 237, 0.15);
    }

    /* Section 4: One-stop Creation Scenarios */
    .creation-section {
      background: #ffffff;
    }
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .scenario-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      padding: 20px;
      background: var(--bg-subtle);
      border-radius: var(--radius);
      border: 1px solid var(--border-light);
    }
    .scenario-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 18px;
      flex-shrink: 0;
    }
    .scenario-info h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .scenario-info p {
      font-size: 13.5px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Section 5: Industry Solutions */
    .solutions-section {
      background: var(--bg-page);
    }
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .sol-card {
      background: var(--bg-card);
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      padding: 24px;
    }
    .sol-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 10px;
    }
    .sol-card ul {
      list-style: none;
      font-size: 14px;
      color: var(--text-muted);
    }
    .sol-card ul li {
      margin-bottom: 8px;
      position: relative;
      padding-left: 18px;
    }
    .sol-card ul li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--accent);
      font-weight: bold;
    }

    /* Section 6: Service Network */
    .network-section {
      background: #ffffff;
      text-align: center;
    }
    .network-stats {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 32px;
    }
    .stat-box {
      padding: 24px;
      background: var(--bg-subtle);
      border-radius: var(--radius);
      border: 1px solid var(--border-light);
    }
    .stat-num {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
    }
    .stat-label {
      font-size: 14px;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* Section 7: Standard Workflow Steps */
    .workflow-section {
      background: var(--bg-page);
    }
    .steps-container {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }
    .step-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 20px;
      text-align: center;
      position: relative;
    }
    .step-number {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin: 0 auto 12px auto;
    }
    .step-card h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .step-card p {
      font-size: 12.5px;
      color: var(--text-muted);
    }

    /* Section 8: Showcase Cases (with provided images) */
    .cases-section {
      background: #ffffff;
    }
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #eee;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
    }
    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }
    .case-info {
      padding: 20px;
    }
    .case-info h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .case-info p {
      font-size: 13.5px;
      color: var(--text-muted);
    }

    /* Section 9: Evaluation & Comparison */
    .comparison-section {
      background: var(--bg-page);
    }
    .rating-banner {
      background: linear-gradient(135deg, #7c3aed 0%, #d946ef 100%);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      box-shadow: var(--shadow-md);
    }
    .rating-score {
      display: flex;
      align-items: baseline;
      gap: 12px;
    }
    .score-big {
      font-size: 52px;
      font-weight: 900;
      line-height: 1;
    }
    .score-stars {
      font-size: 24px;
      color: #fbbf24;
    }
    .comparison-table-wrapper {
      overflow-x: auto;
      background: var(--bg-card);
      border-radius: var(--radius);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .comparison-table th,
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
    }
    .comparison-table th {
      background: var(--bg-subtle);
      font-weight: 700;
      color: var(--text-main);
    }
    .comparison-table tr:hover {
      background: #faf7ff;
    }
    .highlight-col {
      background: rgba(124, 58, 237, 0.04);
      font-weight: 600;
      color: var(--primary);
    }

    /* Section 10: Matching & Submission Form */
    .matching-section {
      background: #ffffff;
    }
    .form-box {
      max-width: 720px;
      margin: 0 auto;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }
    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group.full-width {
      grid-column: span 2;
    }
    .form-group label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 14px;
      outline: none;
      transition: border-color 0.25s ease;
      background: #faf9fe;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--primary);
      background: #fff;
    }

    /* Section 11: Token Price Comparison */
    .token-section {
      background: var(--bg-page);
    }
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .token-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      text-align: center;
    }
    .token-card.featured {
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: scale(1.03);
    }
    .price-amount {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary);
      margin: 12px 0;
    }
    .price-amount span {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: normal;
    }

    /* Section 12 & 13: Help Center & FAQ Accordion */
    .faq-section {
      background: #ffffff;
    }
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 12px;
      overflow: hidden;
      background: var(--bg-card);
    }
    .faq-question {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: none;
      border: none;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 14.5px;
      line-height: 1.6;
    }
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding: 0 24px 18px 24px;
    }
    .faq-item.active .faq-toggle-icon {
      transform: rotate(180deg);
    }
    .faq-toggle-icon {
      transition: transform 0.3s ease;
      font-size: 18px;
      color: var(--primary);
    }

    /* Section 14: AI Wiki / Knowledge Base */
    .wiki-section {
      background: var(--bg-page);
    }
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .wiki-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 20px;
    }
    .wiki-card h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .wiki-card p {
      font-size: 13.5px;
      color: var(--text-muted);
    }

    /* Section 15: Latest News & User Reviews */
    .news-reviews-section {
      background: #ffffff;
    }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 50px;
    }
    .review-card {
      background: var(--bg-subtle);
      border: 1px solid var(--border-light);
      border-radius: var(--radius);
      padding: 20px;
    }
    .reviewer {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }
    .avatar-placeholder {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
    }
    .reviewer-info h5 {
      font-size: 14px;
      font-weight: 700;
    }
    .reviewer-info span {
      font-size: 12px;
      color: var(--text-muted);
    }
    .review-text {
      font-size: 13.5px;
      color: var(--text-muted);
      font-style: italic;
    }

    .articles-box {
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
    }
    .articles-list {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;

    }
    .articles-list li a {
      font-size: 14.5px;
      color: var(--text-main);
      display: block;
      padding: 8px 12px;
      border-radius: 6px;
      background: #fff;
      border: 1px solid var(--border-light);
    }
    .articles-list li a:hover {
      color: var(--primary);
      border-color: var(--primary);
    }

    /* Section 16: Contact & Footer */
    .contact-section {
      background: var(--bg-page);
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .contact-info-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 32px;
    }
    .info-item {
      margin-bottom: 20px;
    }
    .info-item label {
      font-size: 13px;
      color: var(--text-muted);
      display: block;
    }
    .info-item strong {
      font-size: 16px;
      color: var(--text-main);
    }
    .qr-box {
      text-align: center;
      padding: 24px;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
    }
    .qr-box img {
      width: 160px;
      height: 160px;
      object-fit: cover;
      margin-bottom: 12px;
      border-radius: 8px;
    }

    /* Site Footer */
    .site-footer {
      background: #181424;
      color: #b4acc9;
      padding: 60px 0 30px 0;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-col p {
      font-size: 13.5px;
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .friend-links a {
      color: #b4acc9;
      font-size: 13px;
    }
    .friend-links a:hover {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    /* Floating Customer Service Widget */
    .float-kefu {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 999;
      background: linear-gradient(135deg, #7c3aed, #d946ef);
      color: #fff;
      border-radius: 30px;
      padding: 12px 20px;
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      cursor: pointer;
      text-decoration: none;
    }
    .float-kefu:hover {
      transform: translateY(-3px);
      color: #fff;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .hero-features-grid { grid-template-columns: repeat(2, 1fr); }
      .service-grid, .solutions-grid, .cases-grid, .token-grid, .wiki-grid, .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-container { grid-template-columns: repeat(3, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.active { display: flex; }
      .nav-links li { margin: 8px 0; }
      .hero-title { font-size: 28px; }
      .hero-features-grid, .about-grid, .scenarios-grid, .service-grid, .solutions-grid, .network-stats, .steps-container, .cases-grid, .token-grid, .wiki-grid, .reviews-grid, .contact-grid, .articles-list, .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full-width { grid-column: span 1; }
      .footer-grid { grid-template-columns: 1fr; }
      .rating-banner { flex-direction: column; text-align: center; gap: 16px; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }