/* ========== 基础变量与撞色艳色风系统 ========== */
    :root {
      --primary-color: #ff3366;       /* 鲜活品红 */
      --primary-hover: #e02452;
      --secondary-color: #3b82f6;     /* 亮蓝 */
      --accent-yellow: #ffcc00;       /* 亮黄 */
      --accent-green: #00d26a;        /* 荧光绿 */
      --dark-text: #0f172a;           /* 深蓝灰正文 */
      --slate-text: #475569;          /* 次要深色 */
      --bg-main: #ffffff;             /* 主白底 */
      --bg-alt: #f4f6fb;              /* 高对比浅蓝灰底 */
      --bg-card: #ffffff;             /* 卡片纯白 */
      --border-color: #0f172a;        /* 撞色黑边框 */
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-block: 4px 4px 0px #0f172a;
      --shadow-block-hover: 6px 6px 0px #0f172a;
      --container-width: 1200px;
    }

    /* ========== 全局重置 ========== */
    *, *::before, *::after {
      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-main);
      color: var(--dark-text);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background-color: var(--bg-main);
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    /* 容器统一控制 */
    .container {
      max-width: var(--container-width);
      margin: 0 auto;
      padding: 0 20px;
      width: 100%;
    }

    /* ========== 顶部导航 ========== */
    .header-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: #ffffff;
      border-bottom: 3px solid var(--border-color);
      padding: 12px 0;
    }

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

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

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

    .brand-title {
      font-size: 1.4rem;
      font-weight: 900;
      color: var(--dark-text);
      letter-spacing: -0.5px;
    }

    /* 严格要求的 css 规则 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0; 
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--dark-text);
      transition: all 0.2s ease;
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      background: var(--accent-yellow);
      color: var(--dark-text);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      font-weight: 800;
      font-size: 0.95rem;
      border-radius: var(--radius-sm);
      border: 2px solid var(--border-color);
      cursor: pointer;
      transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
      box-shadow: var(--shadow-block);
      text-align: center;
    }

    .btn:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-block-hover);
    }

    .btn:active {
      transform: translate(0, 0);
      box-shadow: 2px 2px 0px #0f172a;
    }

    .btn-primary {
      background: var(--primary-color);
      color: #ffffff;
    }

    .btn-primary:hover {
      background: var(--primary-hover);
      color: #ffffff;
    }

    .btn-secondary {
      background: var(--accent-yellow);
      color: var(--dark-text);
    }

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

    .nav-toggle {
      display: none;
      background: none;
      border: 2px solid var(--dark-text);
      font-size: 1.4rem;
      padding: 4px 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
    }

    /* ========== 通用 Section 标题 ========== */
    .section-padding {
      padding: 70px 0;
      border-bottom: 2px solid #e2e8f0;
    }

    .section-bg-alt {
      background-color: var(--bg-alt);
    }

    .section-header {
      text-align: center;
      max-width: 800px;
      margin: 0 auto 50px auto;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      background: var(--accent-yellow);
      border: 2px solid var(--border-color);
      font-size: 0.85rem;
      font-weight: 800;
      margin-bottom: 12px;
      box-shadow: 2px 2px 0px #0f172a;
      border-radius: 4px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--dark-text);
      line-height: 1.3;
      margin-bottom: 14px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--slate-text);
      font-weight: 500;
    }

    /* ========== 1. 首屏 HERO (禁止出现图片) ========== */
    .hero-section {
      background: linear-gradient(135deg, #fff5f8 0%, #eef2ff 100%);
      padding: 80px 0 70px 0;
      border-bottom: 3px solid var(--border-color);
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: var(--accent-green);
      border: 2px solid var(--border-color);
      border-radius: 30px;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 24px;
      box-shadow: 3px 3px 0px #0f172a;
    }

    .hero-h1 {
      font-size: 2.8rem;
      font-weight: 900;
      color: var(--dark-text);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-h1 span {
      background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.15rem;
      color: var(--slate-text);
      margin-bottom: 35px;
      font-weight: 600;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-btns {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .hero-btn-main {
      font-size: 1.1rem;
      padding: 14px 32px;
      background: var(--primary-color);
      color: #fff;
    }

    .hero-btn-sub {
      font-size: 1.1rem;
      padding: 14px 28px;
    }

    /* 数据指标卡片（CSS纯视觉构造） */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .metric-card {
      background: #ffffff;
      border: 2.5px solid var(--border-color);
      padding: 24px 16px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-block);
      text-align: center;
      transition: transform 0.2s ease;
    }

    .metric-card:hover {
      transform: translateY(-4px);
    }

    .metric-num {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary-color);
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--dark-text);
    }

    /* ========== 2. 关于我们与平台介绍 ========== */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-card-box {
      background: #ffffff;
      border: 3px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-block);
    }

    .about-card-title {
      font-size: 1.5rem;
      font-weight: 900;
      margin-bottom: 16px;
      color: var(--dark-text);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .about-card-desc {
      font-size: 1rem;
      color: var(--slate-text);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .model-tags-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 15px;
    }

    .model-tag {
      background: #eef2ff;
      border: 1.5px solid var(--border-color);
      padding: 4px 10px;
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--dark-text);
    }

    /* ========== 3. AIGC服务 & 一站式制作 ========== */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 2.5px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      box-shadow: var(--shadow-block);
      transition: all 0.2s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-block-hover);
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      background: var(--accent-yellow);
      border: 2px solid var(--border-color);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 16px;
      box-shadow: 2px 2px 0px #0f172a;
    }

    .service-card-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--dark-text);
      margin-bottom: 10px;
    }

    .service-card-text {
      font-size: 0.95rem;
      color: var(--slate-text);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-card-badge {
      display: inline-block;
      align-self: flex-start;
      padding: 2px 8px;
      background: #e2e8f0;
      border-radius: 4px;
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--dark-text);
    }

    /* ========== 4. 行业方案 & 需求匹配 ========== */
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .solution-box {
      background: #ffffff;
      border: 3px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-block);
    }

    .solution-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 16px;
      border-bottom: 2px dashed #cbd5e1;
      padding-bottom: 12px;
    }

    .solution-title {
      font-size: 1.35rem;
      font-weight: 900;
      color: var(--dark-text);
    }

    .solution-list {
      list-style: none;
    }

    .solution-list li {
      position: relative;
      padding-left: 24px;
      margin-bottom: 10px;
      font-weight: 600;
      color: var(--slate-text);
      font-size: 0.95rem;
    }

    .solution-list li::before {
      content: "✔";
      position: absolute;
      left: 0;
      color: var(--primary-color);
      font-weight: 900;
    }

    /* ========== 5. Token 比价板块 ========== */
    .table-container {
      overflow-x: auto;
      border: 3px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-block);
      background: #ffffff;
    }

    .price-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      min-width: 650px;
    }

    .price-table th, .price-table td {
      padding: 16px 20px;
      border-bottom: 1.5px solid #e2e8f0;
      font-size: 0.95rem;
    }

    .price-table th {
      background: #f1f5f9;
      font-weight: 900;
      color: var(--dark-text);
      border-bottom: 2.5px solid var(--border-color);
    }

    .price-table tr:hover {
      background: #fafafa;
    }

    .tag-save {
      background: #dcfce7;
      color: #15803d;
      padding: 4px 8px;
      border-radius: 4px;
      font-weight: 800;
      font-size: 0.85rem;
      border: 1px solid #86efac;
    }

    /* ========== 6. 对比评测板块 (5星, 9.9分) ========== */
    .rating-banner {
      background: linear-gradient(90deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border: 3px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-block);
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 20px;
    }

    .rating-score-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .rating-num {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--accent-yellow);
      line-height: 1;
    }

    .rating-stars {
      color: var(--accent-yellow);
      font-size: 1.6rem;
      letter-spacing: 2px;
    }

    .rating-meta {
      font-size: 1.1rem;
      font-weight: 700;
    }

    /* ========== 7. 标准流程 & 服务网络 ========== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 2.5px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-block);
      text-align: center;
      position: relative;
    }

    .step-num {
      width: 40px;
      height: 40px;
      background: var(--primary-color);
      color: #ffffff;
      font-weight: 900;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      border: 2px solid var(--border-color);
    }

    .step-title {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 0.88rem;
      color: var(--slate-text);
    }

    /* ========== 8. 案例中心（含横版与方版素材图） ========== */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .case-card {
      background: #ffffff;
      border: 2.5px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-block);
      transition: transform 0.2s ease;
    }

    .case-card:hover {
      transform: translateY(-4px);
    }

    .case-img-box {
      width: 100%;
      height: 200px;
      overflow: hidden;
      border-bottom: 2px solid var(--border-color);
      background: #f1f5f9;
    }

    .case-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .case-body {
      padding: 20px;
    }

    .case-title {
      font-size: 1.15rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--dark-text);
    }

    .case-desc {
      font-size: 0.9rem;
      color: var(--slate-text);
    }

    /* ========== 9. 用户评论 (6条) ========== */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .review-card {
      background: #ffffff;
      border: 2.5px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-block);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-text {
      font-size: 0.95rem;
      color: var(--slate-text);
      line-height: 1.6;
      margin-bottom: 20px;
      font-style: italic;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1.5px dashed #e2e8f0;
      padding-top: 12px;
    }

    .avatar-placeholder {
      width: 42px;
      height: 42px;
      background: var(--accent-yellow);
      border: 2px solid var(--border-color);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1rem;
    }

    .user-info .user-name {
      font-weight: 800;
      font-size: 0.95rem;
    }

    .user-info .user-role {
      font-size: 0.8rem;
      color: #64748b;
    }

    /* ========== 10. 加盟代理与盈利 ========== */
    .agency-box {
      background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
      border: 3px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-block);
      text-align: center;
    }

    .agency-title {
      font-size: 2rem;
      font-weight: 900;
      margin-bottom: 16px;
      color: var(--dark-text);
    }

    .agency-desc {
      font-size: 1.05rem;
      color: var(--slate-text);
      max-width: 760px;
      margin: 0 auto 30px auto;
      font-weight: 600;
    }

    /* ========== 11. FAQ 折叠面板 (10+ 条) ========== */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: 3px 3px 0px #0f172a;
      overflow: hidden;
    }

    .faq-question {
      padding: 18px 24px;
      font-size: 1.05rem;
      font-weight: 800;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
      transition: background 0.2s ease;
    }

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

    .faq-icon {
      font-weight: 900;
      font-size: 1.2rem;
      transition: transform 0.2s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 24px;
      background: #f8fafc;
      font-size: 0.95rem;
      color: var(--slate-text);
      border-top: 0px solid transparent;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 16px 24px 20px 24px;
      border-top: 1.5px dashed #cbd5e1;
    }

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

    /* ========== 12. AI百科 & 行业资讯 ========== */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .article-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-block);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-title {
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: var(--dark-text);
    }

    .article-link {
      color: var(--secondary-color);
      font-weight: 700;
      font-size: 0.9rem;
      align-self: flex-end;
    }

    .article-link:hover {
      text-decoration: underline;
    }

    /* ========== 13. 联系我们与需求表单 ========== */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
    }

    .contact-info-box {
      background: #ffffff;
      border: 3px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-block);
    }

    .contact-item {
      margin-bottom: 20px;
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }

    .contact-icon {
      width: 36px;
      height: 36px;
      background: var(--accent-yellow);
      border: 2px solid var(--border-color);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      flex-shrink: 0;
    }

    .qr-code-box {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 2px dashed #cbd5e1;
      text-align: center;
    }

    .qr-code-box img {
      width: 140px;
      height: 140px;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 8px;
    }

    /* 表单组件 */
    .form-box {
      background: #ffffff;
      border: 3px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-block);
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-label {
      display: block;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 6px;
      color: var(--dark-text);
    }

    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      outline: none;
      background: #f8fafc;
      transition: border-color 0.2s ease;
    }

    .form-input:focus, .form-select:focus, .form-textarea:focus {
      background: #ffffff;
      border-color: var(--primary-color);
    }

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

    .form-submit-btn {
      width: 100%;
      padding: 14px;
      font-size: 1.05rem;
      background: var(--primary-color);
      color: #ffffff;
    }

    /* ========== 14. 页脚 & 宣传图片展示 ========== */
    .site-footer {
      background: #0f172a;
      color: #f8fafc;
      padding: 60px 0 30px 0;
      border-top: 4px solid var(--primary-color);
    }

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

    .footer-brand p {
      color: #94a3b8;
      font-size: 0.95rem;
      margin-top: 12px;
      max-width: 400px;
    }

    .footer-title {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
      border-left: 4px solid var(--accent-yellow);
      padding-left: 8px;
    }

    .footer-links-list {
      list-style: none;
    }

    .footer-links-list li {
      margin-bottom: 10px;
      font-size: 0.9rem;
    }

    .footer-links-list a {
      color: #cbd5e1;
      transition: color 0.2s ease;
    }

    .footer-links-list a:hover {
      color: var(--accent-yellow);
    }

    .banner-promo-box {
      margin-top: 20px;
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .banner-promo-box img {
      border: 2px solid #334155;
      border-radius: var(--radius-sm);
    }

    .friendship-box {
      border-top: 1px solid #1e293b;
      padding-top: 20px;
      margin-top: 30px;
      font-size: 0.85rem;
      color: #94a3b8;
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }

    .friendship-box a {
      color: #cbd5e1;
    }

    .friendship-box a:hover {
      color: var(--accent-yellow);
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      margin-top: 30px;
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 浮动客服入口 */
    .float-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      background: var(--accent-yellow);
      border: 2.5px solid var(--border-color);
      border-radius: 50px;
      padding: 10px 20px;
      font-weight: 900;
      box-shadow: var(--shadow-block);
      display: flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      transition: transform 0.2s ease;
    }

    .float-kefu:hover {
      transform: translateY(-4px);
    }

    /* ========== 响应式断点适配 ========== */
    @media (max-width: 992px) {
      .metrics-grid, .services-grid, .cases-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .solutions-grid, .contact-grid, .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 3px solid var(--border-color);
        flex-direction: column;
        padding: 16px 0;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 20px;
        width: 100%;
      }
      .nav-toggle {
        display: block;
      }
      .metrics-grid, .services-grid, .cases-grid, .reviews-grid, .steps-grid, .articles-grid {
        grid-template-columns: 1fr;
      }
      .hero-h1 {
        font-size: 1.8rem;
      }
      .rating-banner {
        flex-direction: column;
        text-align: center;
      }
    }