:root {
      --primary-color: #ff3366;
      --secondary-color: #6366f1;
      --accent-color: #06b6d4;
      --vibrant-gradient: linear-gradient(135deg, #ff3366 0%, #ff6b3d 45%, #6366f1 100%);
      --card-gradient: linear-gradient(180deg, #ffffff 0%, #f9fbfd 100%);
      --text-main: #181d27;
      --text-muted: #535862;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --border-color: #e5e7eb;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-hover: 0 20px 30px -10px rgba(99, 102, 241, 0.18);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    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: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }

    .main-container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 顶部导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

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

    .ai-page-logo {
      height: 42px;
      width: auto;
      display: block;
      object-fit: contain;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--text-main);
    }

    .brand-title span {
      background: var(--vibrant-gradient);
      -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 {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      transition: all 0.25s ease;
    }

    .nav-links li a:hover {
      color: var(--primary-color);
      background-color: rgba(255, 51, 102, 0.05);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      padding: 10px 20px;
      border-radius: 9999px;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      cursor: pointer;
      border: 1px solid transparent;
      white-space: nowrap;
      font-size: 14px;
      text-align: center;
    }

    .btn-gradient {
      background: var(--vibrant-gradient);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(255, 51, 102, 0.3);
    }

    .btn-gradient:hover {
      box-shadow: 0 6px 20px rgba(255, 51, 102, 0.45);
      transform: translateY(-2px);
      color: #ffffff;
    }

    .btn-outline {
      background: #ffffff;
      color: var(--text-main);
      border-color: #d1d5db;
    }

    .btn-outline:hover {
      border-color: var(--secondary-color);
      color: var(--secondary-color);
      background-color: #f5f3ff;
      transform: translateY(-2px);
    }

    .btn-lg {
      padding: 14px 32px;
      font-size: 16px;
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* 艳色首屏 Hero (严禁图片) */
    .hero-section {
      padding: 80px 0 60px;
      position: relative;
      background: radial-gradient(circle at 10% 20%, rgba(255, 51, 102, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 45%);
    }

    .hero-content {
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid #ffd0db;
      border-radius: 9999px;
      color: var(--primary-color);
      font-size: 13px;
      font-weight: 700;
      box-shadow: 0 4px 10px rgba(255, 51, 102, 0.1);
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--primary-color);
      animation: pulse 2s infinite;
    }

    .hero-title {
      font-size: 42px;
      line-height: 1.25;
      font-weight: 900;
      color: #0f172a;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-desc {
      font-size: 18px;
      line-height: 1.7;
      color: var(--text-muted);
      margin-bottom: 36px;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-buttons {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .hero-highlights {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 40px;
    }

    .highlight-card {
      background: #ffffff;
      border: 1px solid #f1f5f9;
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

    .highlight-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #ffd0db;
    }

    .highlight-value {
      font-size: 26px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 4px;
    }

    .highlight-value.vibrant {
      background: var(--vibrant-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .highlight-label {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 通用区块排版 */
    .section-block {
      padding: 80px 0;
      position: relative;
    }

    .section-block.alt-bg {
      background: linear-gradient(180deg, rgba(248, 250, 252, 0.6) 0%, rgba(241, 245, 249, 0.7) 100%);
      border-top: 1px solid #eef2f6;
      border-bottom: 1px solid #eef2f6;
    }

    .section-header {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--secondary-color);
      background-color: #eef2ff;
      padding: 4px 12px;
      border-radius: 9999px;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
    }

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

    .about-info-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 36px;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    .about-info-card h3 {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 16px;
      color: #0f172a;
    }

    .about-info-card p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 15px;
      line-height: 1.8;
    }

    .about-feature-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 24px;
    }

    .about-feature-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      color: #1e293b;
    }

    .feature-check {
      color: #10b981;
      font-weight: bold;
    }

    .image-showcase {
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      background: #ffffff;
    }

    .image-showcase img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

    .image-showcase:hover img {
      transform: scale(1.02);
    }

    /* 服务能力卡片网格 */
    .services-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-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: #cbd5e1;
    }

    .service-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 6px;
      margin-bottom: 16px;
      width: fit-content;
      background: #fdf2f8;
      color: #db2777;
    }

    .service-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .service-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .service-meta {
      font-size: 13px;
      font-weight: 600;
      color: var(--secondary-color);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 一站式制作场景 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .scene-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: all 0.3s ease;
    }

    .scene-card:hover {
      border-color: var(--primary-color);
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .scene-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .scene-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 对比评测卡片与表格 */
    .eval-overview {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      border-radius: var(--radius-lg);
      padding: 36px 40px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
      margin-bottom: 36px;
      box-shadow: var(--shadow-md);
    }

    .eval-overview-content h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 8px;
    }

    .eval-overview-content p {
      font-size: 15px;
      color: #cbd5e1;
      max-width: 600px;
    }

    .eval-score-card {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(10px);
      padding: 20px 32px;
      border-radius: var(--radius-md);
      text-align: center;
    }

    .eval-stars {
      color: #facc15;
      font-size: 20px;
      margin-bottom: 4px;
      letter-spacing: 2px;
    }

    .eval-score-num {
      font-size: 36px;
      font-weight: 900;
      line-height: 1;
      color: #ffffff;
    }

    .eval-score-max {
      font-size: 14px;
      color: #94a3b8;
    }

    .table-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    .custom-table th, .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #f1f5f9;
    }

    .custom-table th {
      background-color: #f8fafc;
      font-weight: 700;
      color: #0f172a;
    }

    .custom-table tr:last-child td {
      border-bottom: none;
    }

    .custom-table tr:hover td {
      background-color: #fcfcfd;
    }

    .tag-gold {
      background: #fef08a;
      color: #854d0e;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 700;
      font-size: 12px;
    }

    /* 标准流程时间线 */
    .timeline-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      font-size: 32px;
      font-weight: 900;
      color: #e2e8f0;
      line-height: 1;
      margin-bottom: 12px;
    }

    .step-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 客户案例展示 */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }

    .case-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;
    }

    .case-media {
      width: 100%;
      height: 220px;
      overflow: hidden;
      background: #f1f5f9;
    }

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

    .case-card:hover .case-media img {
      transform: scale(1.04);
    }

    .case-body {
      padding: 24px;
      flex-grow: 1;
    }

    .case-body h4 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }

    .case-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    .case-tags {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .case-tag {
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 6px;
      background: #f3f4f6;
      color: #4b5563;
      font-weight: 500;
    }

    /* 用户评论 */
    .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: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }

    .review-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--vibrant-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
    }

    .review-user-name {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
    }

    .review-user-role {
      font-size: 12px;
      color: var(--text-muted);
    }

    .review-content {
      font-size: 14px;
      color: #334155;
      line-height: 1.7;
    }

    /* FAQ 手风琴 */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }

    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 22px;
      background: none;
      border: none;
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }

    .faq-icon {
      font-size: 18px;
      transition: transform 0.3s ease;
      color: var(--secondary-color);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 22px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      background: #fafbfc;
    }

    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 16px 22px 20px;
      border-top: 1px solid #f1f5f9;
    }

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

    /* 需求匹配与联系表单 */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 40px;
      align-items: start;
    }

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .contact-info-panel h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 20px;
      color: #0f172a;
    }

    .contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      font-size: 14px;
      color: var(--text-muted);
    }

    .contact-list strong {
      color: var(--text-main);
    }

    .qr-box {
      margin-top: 24px;
      padding: 16px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      text-align: center;
      border: 1px solid #e2e8f0;
    }

    .qr-box img {
      max-width: 140px;
      height: auto;
      border-radius: 8px;
      display: block;
      margin: 0 auto 8px;
    }

    .qr-box span {
      font-size: 13px;
      color: #64748b;
      font-weight: 500;
    }

    .form-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .form-panel h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 20px;
      color: #0f172a;
    }

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

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 6px;
      color: #334155;
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: #0f172a;
      outline: none;
      transition: border-color 0.2s;
      background: #ffffff;
    }

    .form-control:focus {
      border-color: var(--secondary-color);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    }

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

    /* 文章与资讯板块 */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .article-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

    .article-item:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--secondary-color);
    }

    .article-item h4 {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
      line-height: 1.5;
    }

    .article-item a {
      font-size: 13px;
      color: var(--secondary-color);
      font-weight: 600;
      display: inline-block;
      margin-top: 8px;
    }

    /* 友情链接与页脚 */
    .links-section {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 30px 0;
    }

    .links-title {
      font-size: 14px;
      font-weight: 700;
      color: #64748b;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .links-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .links-wrapper a {
      font-size: 13px;
      color: #475569;
      background: #f1f5f9;
      padding: 6px 14px;
      border-radius: 9999px;
      transition: all 0.2s ease;
    }

    .links-wrapper a:hover {
      background: var(--primary-color);
      color: #ffffff;
    }

    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 50px 0 30px;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 30px;
    }

    .footer-brand h4 {
      font-size: 18px;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      max-width: 440px;
      color: #94a3b8;
    }

    .footer-nav-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 14px;
    }

    .footer-nav-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-nav-list a {
      color: #94a3b8;
      font-size: 14px;
    }

    .footer-nav-list a:hover {
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #64748b;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 悬浮客服挂件与返回顶部 */
    .float-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0f172a;
      cursor: pointer;
      font-size: 18px;
      transition: all 0.25s ease;
    }

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

    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.15); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }

    /* 响应式样式适配 */
    @media (max-width: 992px) {
      .services-grid, .scene-grid, .timeline-steps, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .articles-grid {
        grid-template-columns: 1fr 1fr;
      }
      .hero-highlights {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .contact-wrapper, .cases-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 32px;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
      }
      .nav-links li a {
        display: block;
        padding: 10px 0;
        width: 100%;
      }
      .services-grid, .scene-grid, .timeline-steps, .reviews-grid, .articles-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 26px;
      }
      .section-title {
        font-size: 24px;
      }
      .eval-overview {
        padding: 24px 20px;
      }
      .eval-score-card {
        width: 100%;
      }
    }