:root {
      --primary-blue: #0b57d0;
      --primary-bright: #1a73e8;
      --primary-deep: #0037a5;
      --accent-cyan: #00c6ff;
      --accent-glow: #e8f0fe;
      --text-main: #1f2937;
      --text-muted: #4b5563;
      --text-light: #6b7280;
      --bg-page: #f8fafd;
      --bg-card: #ffffff;
      --border-color: #e2e8f0;
      --border-focus: #93c5fd;
      --shadow-sm: 0 2px 8px rgba(11, 87, 208, 0.06);
      --shadow-md: 0 10px 25px rgba(11, 87, 208, 0.1);
      --shadow-lg: 0 20px 40px rgba(11, 87, 208, 0.14);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-width: 1200px;
      --transition: all 0.28s ease-in-out;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-tap-highlight-color: transparent;
    }

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

    body {
      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: 1.65;
      overflow-x: hidden;
    }

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

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .brand-box .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
      display: block;
    }
    .brand-text {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-deep);
      letter-spacing: -0.5px;
    }
    .nav-menu {
      display: flex;
      align-items: center;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      color: var(--text-muted);
      text-decoration: none;
      font-size: 15px;
      font-weight: 500;
      transition: var(--transition);
      border-radius: var(--radius-sm);
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-blue);
      background: var(--accent-glow);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      text-decoration: none;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary-bright) 0%, var(--primary-deep) 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(11, 87, 208, 0.28);
    }
    .btn-primary:hover {
      box-shadow: 0 6px 20px rgba(11, 87, 208, 0.4);
      transform: translateY(-2px);
    }
    .btn-outline {
      border-color: var(--primary-blue);
      color: var(--primary-blue);
      background: #ffffff;
    }
    .btn-outline:hover {
      background: var(--accent-glow);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }
    .mobile-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* 模块通用样式 */
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 50px auto;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-blue);
      background: var(--accent-glow);
      padding: 4px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
    }

    /* 首屏 HERO 区域 (无图片) */
    .hero-section {
      padding: 100px 0 80px 0;
      background: radial-gradient(circle at 80% 20%, #dbeafe 0%, rgba(248, 250, 253, 0) 50%),
                  radial-gradient(circle at 10% 80%, #eff6ff 0%, rgba(248, 250, 253, 0) 40%),
                  linear-gradient(180deg, #ffffff 0%, var(--bg-page) 100%);
      border-bottom: 1px solid var(--border-color);
      text-align: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid #bfdbfe;
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary-deep);
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }
    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10b981;
      box-shadow: 0 0 8px #10b981;
    }
    .hero-title {
      font-size: 46px;
      font-weight: 900;
      color: var(--primary-deep);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-desc {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }
    .hero-features-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 24px;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      text-align: left;
    }
    .h-feat-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
    }
    .h-feat-icon {
      width: 44px;
      height: 44px;
      background: var(--accent-glow);
      color: var(--primary-blue);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: bold;
      flex-shrink: 0;
    }
    .h-feat-info h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .h-feat-info p {
      font-size: 13px;
      color: var(--text-light);
      line-height: 1.4;
    }

    /* 数据指标区 */
    .metrics-bar {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 35px 0;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      text-align: center;
    }
    .metric-card h3 {
      font-size: 38px;
      font-weight: 800;
      color: var(--primary-blue);
      margin-bottom: 4px;
    }
    .metric-card p {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 关于与平台介绍 */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .about-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .about-highlight-list {
      list-style: none;
      margin-top: 20px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .about-highlight-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 15px;
      color: var(--text-muted);
    }
    .about-highlight-list li span {
      color: #10b981;
      font-weight: bold;
    }

    /* 支持模型标签云 */
    .model-tags-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .model-tags-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 15px;
    }
    .model-tag {
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .model-tag:hover {
      background: var(--primary-blue);
      color: #ffffff;
      border-color: var(--primary-blue);
      transform: translateY(-2px);
    }

    /* 服务与制作场景卡片 */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--border-focus);
      transform: translateY(-4px);
    }
    .service-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .service-icon {
      width: 42px;
      height: 42px;
      background: var(--accent-glow);
      color: var(--primary-blue);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: bold;
    }
    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
    }
    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .service-badge {
      display: inline-block;
      font-size: 12px;
      background: #f1f5f9;
      color: var(--primary-deep);
      padding: 4px 10px;
      border-radius: 6px;
      font-weight: 600;
      align-self: flex-start;
    }

    /* 行业方案与多媒体专区 (含图) */
    .media-showcase {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: stretch;
      margin-top: 40px;
    }
    .media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
    }
    .media-img-wrap {
      width: 100%;
      height: 240px;
      overflow: hidden;
      background: #e2e8f0;
    }
    .media-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
      display: block;
    }
    .media-card:hover .media-img-wrap img {
      transform: scale(1.04);
    }
    .media-content {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .media-content h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .media-content p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* 标准流程时间线 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px 20px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: var(--transition);
    }
    .step-card:hover {
      border-color: var(--primary-blue);
      transform: translateY(-3px);
    }
    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-bright), var(--primary-deep));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .step-card h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 对比评测表格与卡片 */
    .review-score-banner {
      background: linear-gradient(135deg, #0b57d0 0%, #0037a5 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-lg);
      margin-bottom: 30px;
      flex-wrap: wrap;
      gap: 20px;
    }
    .score-left h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .score-left p {
      font-size: 15px;
      opacity: 0.9;
    }
    .score-badge-group {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .score-circle {
      text-align: center;
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(8px);
      padding: 12px 24px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.25);
    }
    .score-num {
      font-size: 36px;
      font-weight: 900;
      color: #ffd166;
      line-height: 1;
    }
    .score-max {
      font-size: 13px;
      opacity: 0.8;
    }
    .stars {
      color: #ffd166;
      font-size: 20px;
      letter-spacing: 2px;
    }

    .table-responsive {
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .compare-table th, .compare-table td {
      padding: 18px 22px;
      border-bottom: 1px solid var(--border-color);
    }
    .compare-table th {
      background: #f8fafd;
      font-weight: 700;
      color: var(--text-main);
    }
    .compare-table td:nth-child(2) {
      background: rgba(232, 240, 254, 0.4);
      font-weight: 600;
      color: var(--primary-deep);
    }
    .status-check {
      color: #10b981;
      font-weight: bold;
    }
    .status-cross {
      color: #94a3b8;
    }

    /* 加盟代理板块 */
    .agent-box {
      background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
      border: 2px solid #bfdbfe;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      margin-top: 40px;
    }
    .agent-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }
    .agent-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-top: 16px;
    }
    .agent-points li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 15px;
      color: var(--text-main);
    }

    /* 客户评论卡片 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
      position: relative;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }
    .reviewer-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--accent-glow);
      color: var(--primary-blue);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }
    .reviewer-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .reviewer-role {
      font-size: 12px;
      color: var(--text-light);
    }

    /* FAQ 折叠手风琴 */
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      transition: background 0.2s;
    }
    .faq-question:hover {
      background: #f8fafd;
    }
    .faq-icon {
      font-size: 18px;
      color: var(--primary-blue);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fdfefe;
    }
    .faq-answer-inner {
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .faq-item.active .faq-answer {
      max-height: 250px;
    }

    /* 需求匹配与表单区 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-md);
    }
    .contact-info-col h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .contact-info-col p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.6;
    }
    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 24px;
    }
    .contact-info-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 14px;
      color: var(--text-main);
    }
    .contact-info-item strong {
      color: var(--primary-deep);
      min-width: 80px;
    }
    .qr-box {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      display: inline-block;
      background: #f8fafd;
      text-align: center;
    }
    .qr-box img {
      width: 140px;
      height: 140px;
      object-fit: cover;
      display: block;
      margin: 0 auto 8px auto;
      border-radius: 6px;
    }
    .qr-box span {
      font-size: 12px;
      color: var(--text-light);
      font-weight: 600;
    }

    .form-col {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .form-group label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      background: #ffffff;
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }
    .form-control:focus {
      border-color: var(--primary-bright);
      box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 行业资讯与文章 */
    .article-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }
    .article-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      list-style: none;
      margin-top: 16px;
    }
    .article-links-list li a {
      display: inline-block;
      padding: 8px 16px;
      background: var(--bg-page);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--primary-blue);
      text-decoration: none;
      font-size: 13px;
      transition: var(--transition);
    }
    .article-links-list li a:hover {
      background: var(--accent-glow);
      border-color: var(--primary-blue);
    }

    /* 底部页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px 0;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links li a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 14px;
      transition: var(--transition);
    }
    .footer-links li a:hover {
      color: var(--primary-blue);
    }
    .friend-links-box {
      border-top: 1px solid #f1f5f9;
      padding: 24px 0;
      margin-bottom: 24px;
    }
    .friend-links-box h5 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }
    .friend-links-wrap a {
      font-size: 13px;
      color: var(--text-light);
      text-decoration: none;
      transition: var(--transition);
    }
    .friend-links-wrap a:hover {
      color: var(--primary-blue);
    }
    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: var(--text-light);
    }

    /* 悬浮客服挂件 */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .kefu-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-bright), var(--primary-deep));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(11, 87, 208, 0.35);
      cursor: pointer;
      text-decoration: none;
      font-size: 18px;
      transition: var(--transition);
      border: none;
    }
    .kefu-btn:hover {
      transform: scale(1.08);
    }
    .back-top {
      display: none;
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      font-size: 14px;
      font-weight: bold;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .hero-features-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .service-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        padding: 0;
      }
      .mobile-toggle {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px 24px;
        flex-direction: column;
        display: none;
        box-shadow: var(--shadow-md);
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
      }
      .nav-links li a {
        padding: 12px 16px;
      }
      .header-actions {
        display: none;
      }
      .hero-title {
        font-size: 32px;
      }
      .hero-features-bar {
        grid-template-columns: 1fr;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid {
        grid-template-columns: 1fr;
      }
      .service-grid {
        grid-template-columns: 1fr;
      }
      .media-showcase {
        grid-template-columns: 1fr;
      }
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .agent-grid {
        grid-template-columns: 1fr;
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }