:root {
      --bg-dark: #090614;
      --bg-card: rgba(22, 13, 38, 0.75);
      --bg-card-hover: rgba(35, 20, 60, 0.85);
      --neon-pink: #ff2a85;
      --neon-purple: #9d4edd;
      --neon-violet: #d946ef;
      --neon-cyan: #00f5d4;
      --text-main: #f8fafc;
      --text-sub: #cbd5e1;
      --text-muted: #94a3b8;
      --border-cyber: rgba(255, 42, 133, 0.28);
      --border-purple: rgba(157, 78, 221, 0.35);
      --shadow-cyber: 0 8px 32px rgba(255, 42, 133, 0.18);
      --shadow-glow: 0 0 20px rgba(157, 78, 221, 0.4);
      --gradient-brand: linear-gradient(135deg, #ff2a85 0%, #9d4edd 50%, #7928ca 100%);
      --gradient-surface: linear-gradient(180deg, rgba(26, 15, 46, 0.8) 0%, rgba(12, 7, 24, 0.95) 100%);
      --container-width: 1200px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

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

    body {
      background-color: var(--bg-dark);
      background-image: 
        radial-gradient(circle at 15% 10%, rgba(255, 42, 133, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(157, 78, 221, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(0, 245, 212, 0.08) 0%, transparent 45%);
      background-attachment: fixed;
      overflow-x: hidden;
      min-height: 100vh;
    }

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(9, 6, 20, 0.88);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-cyber);
      transition: all 0.3s ease;
    }

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

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .brand-wrap .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
      filter: drop-shadow(0 0 8px rgba(255, 42, 133, 0.5));
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: 1px;
      background: linear-gradient(90deg, #ffffff, #fbcfe8);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

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

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-sub);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      transition: color 0.25s, text-shadow 0.25s;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: #ffffff;
      text-shadow: 0 0 10px var(--neon-pink);
    }

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

    .btn-cyber {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      background: var(--gradient-brand);
      color: #ffffff;
      font-size: 0.95rem;
      font-weight: 600;
      text-decoration: none;
      border-radius: 6px;
      border: 1px solid rgba(255, 255, 255, 0.3);
      box-shadow: 0 0 16px rgba(255, 42, 133, 0.4);
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .btn-cyber:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 24px rgba(255, 42, 133, 0.7);
      color: #ffffff;
    }

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      background: rgba(255, 42, 133, 0.08);
      color: #ffffff;
      font-size: 0.95rem;
      font-weight: 600;
      text-decoration: none;
      border-radius: 6px;
      border: 1px solid var(--neon-pink);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .btn-outline:hover {
      background: rgba(255, 42, 133, 0.2);
      box-shadow: 0 0 14px rgba(255, 42, 133, 0.5);
    }

    .mobile-menu-btn {
      display: none;
      background: transparent;
      border: none;
      color: #ffffff;
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* 首屏 Hero 区域（严禁任何图片出现） */
    .hero-section {
      position: relative;
      padding: 90px 0 80px 0;
      text-align: center;
      overflow: hidden;
      border-bottom: 1px solid var(--border-cyber);
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: rgba(157, 78, 221, 0.16);
      border: 1px solid var(--neon-purple);
      border-radius: 20px;
      font-size: 0.875rem;
      color: #fbcfe8;
      margin-bottom: 24px;
      box-shadow: 0 0 12px rgba(157, 78, 221, 0.3);
    }

    .hero-tag .dot {
      width: 8px;
      height: 8px;
      background: var(--neon-cyan);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--neon-cyan);
    }

    .hero-title {
      font-size: clamp(2rem, 4.5vw, 3.4rem);
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 24px;
      letter-spacing: -0.5px;
      color: #ffffff;
      text-shadow: 0 0 20px rgba(255, 42, 133, 0.5), 0 0 40px rgba(157, 78, 221, 0.3);
    }

    .hero-subtitle {
      font-size: clamp(1rem, 2vw, 1.25rem);
      color: var(--text-sub);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

    .hero-btns {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .hero-btn-primary {
      padding: 14px 34px;
      font-size: 1.1rem;
      border-radius: 8px;
    }

    .hero-btn-secondary {
      padding: 14px 28px;
      font-size: 1.1rem;
      border-radius: 8px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 960px;
      margin: 0 auto;
    }

    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      padding: 24px 16px;
      border-radius: 12px;
      box-shadow: var(--shadow-cyber);
      backdrop-filter: blur(8px);
      transition: transform 0.3s;
    }

    .metric-card:hover {
      transform: translateY(-4px);
      border-color: var(--neon-pink);
    }

    .metric-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: #ffffff;
      display: block;
      margin-bottom: 4px;
      text-shadow: 0 0 12px var(--neon-pink);
    }

    .metric-label {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* 模块通用样式 */
    section.page-section {
      padding: 85px 0;
      position: relative;
    }

    section.page-section:nth-child(even) {
      background: rgba(18, 11, 31, 0.45);
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-badge {
      display: inline-block;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--neon-cyan);
      text-transform: uppercase;
      letter-spacing: 2px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: clamp(1.8rem, 3vw, 2.4rem);
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
      text-shadow: 0 0 16px rgba(255, 42, 133, 0.35);
    }

    .section-desc {
      font-size: 1rem;
      color: var(--text-sub);
      line-height: 1.7;
    }

    /* 卡片矩阵与网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .cyber-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 12px;
      padding: 28px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
      position: relative;
      overflow: hidden;
    }

    .cyber-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent, var(--neon-pink), transparent);
      opacity: 0;
      transition: opacity 0.3s;
    }

    .cyber-card:hover {
      transform: translateY(-5px);
      background: var(--bg-card-hover);
      border-color: var(--neon-pink);
      box-shadow: var(--shadow-cyber);
    }

    .cyber-card:hover::before {
      opacity: 1;
    }

    .card-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 10px;
      background: rgba(255, 42, 133, 0.12);
      border: 1px solid var(--neon-pink);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: #ffffff;
      font-size: 1.4rem;
      box-shadow: 0 0 12px rgba(255, 42, 133, 0.25);
    }

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

    .card-text {
      font-size: 0.95rem;
      color: var(--text-sub);
      line-height: 1.65;
    }

    /* 平台矩阵标签云 */
    .model-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 36px;
    }

    .model-pill {
      padding: 8px 16px;
      background: rgba(157, 78, 221, 0.12);
      border: 1px solid var(--border-purple);
      border-radius: 20px;
      color: #ffffff;
      font-size: 0.85rem;
      font-weight: 500;
      transition: all 0.25s;
    }

    .model-pill:hover {
      background: rgba(255, 42, 133, 0.25);
      border-color: var(--neon-pink);
      box-shadow: 0 0 10px var(--neon-pink);
    }

    /* 流程步骤 */
    .timeline-steps {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 16px;
      position: relative;
    }

    .step-box {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 10px;
      padding: 20px 14px;
      text-align: center;
      position: relative;
    }

    .step-idx {
      width: 32px;
      height: 32px;
      background: var(--neon-pink);
      color: #ffffff;
      border-radius: 50%;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 12px;
      box-shadow: 0 0 10px var(--neon-pink);
    }

    .step-title {
      font-size: 1rem;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 6px;
    }

    .step-desc {
      font-size: 0.8rem;
      color: var(--text-muted);
      line-height: 1.4;
    }

    /* 对比评测表格与卡片 */
    .review-score-banner {
      background: linear-gradient(135deg, rgba(255, 42, 133, 0.18), rgba(157, 78, 221, 0.25));
      border: 1px solid var(--neon-pink);
      border-radius: 14px;
      padding: 30px;
      display: flex;
      align-items: center;
      justify-content: space-around;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 40px;
      box-shadow: var(--shadow-cyber);
    }

    .score-item {
      text-align: center;
    }

    .score-val {
      font-size: 3rem;
      font-weight: 900;
      color: #ffffff;
      text-shadow: 0 0 20px var(--neon-pink);
    }

    .stars-box {
      color: #ffb703;
      font-size: 1.6rem;
      margin-bottom: 6px;
      letter-spacing: 4px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 12px;
      box-shadow: var(--shadow-cyber);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }

    .compare-table th,
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 42, 133, 0.15);
    }

    .compare-table th {
      background: rgba(35, 20, 60, 0.9);
      color: #ffffff;
      font-weight: 700;
    }

    .compare-table tr:hover td {
      background: rgba(255, 42, 133, 0.05);
    }

    .highlight-col {
      color: var(--neon-cyan);
      font-weight: 600;
      background: rgba(0, 245, 212, 0.03);
    }

    /* 案例展示画廊 */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .gallery-card {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .gallery-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #110920;
      overflow: hidden;
    }

    .gallery-img-wrap.square {
      aspect-ratio: 1 / 1;
    }

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

    .gallery-card:hover .gallery-img-wrap img {
      transform: scale(1.04);
    }

    .gallery-info {
      padding: 20px;
      flex-grow: 1;
    }

    .gallery-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 8px;
    }

    .gallery-text {
      font-size: 0.875rem;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* 宣传图平铺展示区 */
    .banner-showcase {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 30px;
    }

    .banner-showcase-item {
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid var(--border-purple);
      background: #150d24;
    }

    .banner-showcase-item img {
      width: 100%;
      height: auto;
      display: block;
      transition: opacity 0.3s;
    }

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

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 10px;
      overflow: hidden;
      transition: border-color 0.25s;
    }

    .faq-item.active {
      border-color: var(--neon-pink);
      box-shadow: 0 0 16px rgba(255, 42, 133, 0.2);
    }

    .faq-question {
      width: 100%;
      padding: 18px 24px;
      text-align: left;
      background: transparent;
      border: none;
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }

    .faq-question:hover {
      color: #fbcfe8;
    }

    .faq-arrow {
      font-size: 1.2rem;
      transition: transform 0.3s;
      color: var(--neon-pink);
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: rgba(15, 8, 28, 0.6);
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      padding: 16px 24px 20px;
      max-height: 300px;
    }

    .faq-answer p {
      font-size: 0.95rem;
      color: var(--text-sub);
      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 var(--border-cyber);
      border-radius: 12px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-content {
      font-size: 0.92rem;
      color: var(--text-sub);
      line-height: 1.65;
      margin-bottom: 18px;
      position: relative;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid rgba(255, 42, 133, 0.15);
      padding-top: 14px;
    }

    .user-avatar-text {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--gradient-brand);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
    }

    .user-name {
      font-weight: 600;
      font-size: 0.95rem;
      color: #ffffff;
    }

    .user-role {
      font-size: 0.8rem;
      color: var(--neon-cyan);
    }

    /* 需求表单与联系我们 */
    .contact-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: start;
    }

    .contact-form-box {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 14px;
      padding: 32px;
      box-shadow: var(--shadow-cyber);
    }

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

    .form-label {
      display: block;
      font-size: 0.9rem;
      color: #ffffff;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      background: rgba(14, 8, 26, 0.8);
      border: 1px solid var(--border-purple);
      border-radius: 8px;
      color: #ffffff;
      font-size: 0.95rem;
      outline: none;
      transition: border-color 0.25s, box-shadow 0.25s;
    }

    .form-control:focus {
      border-color: var(--neon-pink);
      box-shadow: 0 0 10px rgba(255, 42, 133, 0.4);
    }

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

    .contact-info-box {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 14px;
      padding: 32px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .info-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }

    .info-icon {
      width: 44px;
      height: 44px;
      background: rgba(157, 78, 221, 0.2);
      border: 1px solid var(--neon-purple);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 1.2rem;
      flex-shrink: 0;
    }

    .info-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 4px;
    }

    .info-val {
      font-size: 1rem;
      color: #ffffff;
      font-weight: 600;
    }

    .qr-container {
      text-align: center;
      background: rgba(14, 8, 26, 0.7);
      padding: 20px;
      border-radius: 10px;
      border: 1px dashed var(--neon-pink);
    }

    .qr-container img {
      max-width: 140px;
      height: auto;
      border-radius: 6px;
      margin: 0 auto 10px;
      display: block;
      border: 2px solid #ffffff;
    }

    .qr-text {
      font-size: 0.85rem;
      color: var(--text-sub);
    }

    /* 文章列表 */
    .article-links-box {
      background: var(--bg-card);
      border: 1px solid var(--border-cyber);
      border-radius: 12px;
      padding: 24px;
      margin-top: 24px;
    }

    .article-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .article-links-list li a {
      color: #fbcfe8;
      text-decoration: none;
      font-size: 0.95rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: rgba(255, 42, 133, 0.05);
      border-radius: 6px;
      transition: all 0.25s;
    }

    .article-links-list li a:hover {
      background: rgba(255, 42, 133, 0.2);
      color: #ffffff;
      transform: translateX(6px);
    }

    /* 友情链接与页脚 */
    footer.site-footer {
      background: #06040d;
      border-top: 1px solid var(--border-cyber);
      padding: 60px 0 30px;
      color: var(--text-sub);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 36px;
      margin-bottom: 40px;
    }

    .footer-col-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 18px;
      position: relative;
    }

    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links-list a {
      color: var(--text-sub);
      text-decoration: none;
      font-size: 0.9rem;
      transition: color 0.2s;
    }

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

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friend-links-wrap a {
      color: var(--text-sub);
      text-decoration: none;
      font-size: 0.85rem;
      padding: 4px 10px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 4px;
      transition: background 0.25s, color 0.25s;
    }

    .friend-links-wrap a:hover {
      background: var(--neon-pink);
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 浮动组件与返回顶部 */
    .floating-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 999;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--bg-card);
      border: 1px solid var(--neon-pink);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 0 16px rgba(255, 42, 133, 0.4);
      transition: all 0.3s ease;
      text-decoration: none;
      font-size: 1.1rem;
    }

    .float-btn:hover {
      background: var(--neon-pink);
      transform: scale(1.1);
    }

    /* 响应式媒体查询 */
    @media (max-width: 992px) {
      .grid-4, .hero-metrics, .timeline-steps, .banner-showcase {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .gallery-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-layout {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(12, 7, 24, 0.98);
        border-bottom: 1px solid var(--border-cyber);
        flex-direction: column;
        padding: 20px 0;
      }

      .nav-links.open {
        display: flex;
      }

      .nav-links li {
        width: 100%;
        text-align: center;
      }

      .nav-links li a {
        display: block;
        padding: 12px 20px;
      }

      .mobile-menu-btn {
        display: block;
      }

      .grid-3, .grid-4, .grid-2, .hero-metrics, .timeline-steps, .gallery-grid, .reviews-grid, .banner-showcase {
        grid-template-columns: 1fr;
      }

      .footer-top {
        grid-template-columns: 1fr;
      }

      .review-score-banner {
        flex-direction: column;
      }
    }