:root {
      --bg-main: #f5f8ff;
      --bg-card: #ffffff;
      --text-main: #0b1528;
      --text-muted: #4a5b78;
      --primary: #0066ff;
      --neon-cyan: #00e5ff;
      --neon-violet: #8a2be2;
      --neon-green: #00e676;
      --neon-pink: #ff007f;
      --border-color: #dbe4f3;
      --glow-shadow: 0 10px 30px rgba(0, 102, 255, 0.08), 0 0 20px rgba(0, 229, 255, 0.12);
      --container-width: 1200px;
      --border-radius: 14px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      background-image: 
        radial-gradient(circle at 10% 10%, rgba(0, 229, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 30%, rgba(138, 43, 226, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 50% 85%, rgba(0, 230, 118, 0.06) 0%, transparent 50%);
      background-attachment: fixed;
      color: var(--text-main);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }

    /* 容器规范统一 */
    .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 {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(0, 229, 255, 0.25);
      box-shadow: 0 4px 20px rgba(11, 21, 40, 0.04);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-wrap .ai-page-logo {
      height: 38px;
      width: auto;
      display: block;
    }
    .brand-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .brand-badge {
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 20px;
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-violet));
      color: #ffffff;
      text-transform: uppercase;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li a {
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: 8px;
      position: relative;
    }
    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary);
      background: rgba(0, 102, 255, 0.05);
    }
    .nav-btn-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 6px;
    }
    .mobile-menu-btn span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-main);
      margin: 5px 0;
      transition: 0.3s;
    }

    /* 按钮系统 - 炫彩荧光风 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 10px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.28s ease;
      white-space: nowrap;
    }
    .btn-neon {
      background: linear-gradient(135deg, #0051ff 0%, #00d4ff 100%);
      color: #ffffff !important;
      box-shadow: 0 4px 18px rgba(0, 102, 255, 0.35), 0 0 10px rgba(0, 229, 255, 0.3);
    }
    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 24px rgba(0, 102, 255, 0.45), 0 0 18px rgba(0, 229, 255, 0.5);
    }
    .btn-outline {
      background: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    }
    .btn-outline:hover {
      border-color: var(--neon-cyan);
      color: var(--primary);
      box-shadow: 0 0 12px rgba(0, 229, 255, 0.25);
    }
    .btn-hero-lg {
      padding: 15px 34px;
      font-size: 16px;
      border-radius: 12px;
    }

    /* 主视觉标签 */
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      font-weight: 700;
      padding: 5px 14px;
      border-radius: 30px;
      background: #ffffff;
      color: var(--primary);
      border: 1px solid rgba(0, 229, 255, 0.5);
      box-shadow: 0 2px 10px rgba(0, 229, 255, 0.15);
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }
    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 680px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }
    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }

    /* 首屏 HERO - 规则严格要求：不得出现任何图片，仅纯色/渐变/几何/动效/卡片构建 */
    .hero-section {
      padding: 70px 0 60px;
      position: relative;
      overflow: hidden;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.8) 0%, rgba(240, 246, 255, 0.95) 100%);
      border-bottom: 1px solid rgba(0, 229, 255, 0.2);
    }
    .hero-glow-1 {
      position: absolute;
      top: -100px;
      left: 15%;
      width: 380px;
      height: 380px;
      background: radial-gradient(circle, rgba(0, 229, 255, 0.22) 0%, transparent 70%);
      filter: blur(50px);
      pointer-events: none;
    }
    .hero-glow-2 {
      position: absolute;
      top: 50px;
      right: 15%;
      width: 420px;
      height: 420px;
      background: radial-gradient(circle, rgba(138, 43, 226, 0.18) 0%, transparent 70%);
      filter: blur(60px);
      pointer-events: none;
    }
    .hero-content {
      text-align: center;
      position: relative;
      z-index: 2;
      max-width: 920px;
      margin: 0 auto;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid #c7dcff;
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 13px;
      font-weight: 700;
      color: #0051ff;
      box-shadow: 0 0 20px rgba(0, 102, 255, 0.15);
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 40px;
      font-weight: 900;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #0b1528;
      letter-spacing: -0.8px;
    }
    .hero-desc {
      font-size: 17px;
      line-height: 1.8;
      color: #3b4c68;
      margin-bottom: 34px;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 48px;
    }
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 10px;
    }
    .hero-stat-card {
      background: #ffffff;
      border: 1px solid rgba(0, 229, 255, 0.35);
      border-radius: var(--border-radius);
      padding: 20px;
      text-align: left;
      box-shadow: 0 8px 24px rgba(11, 21, 40, 0.04);
      position: relative;
      overflow: hidden;
      transition: transform 0.25s ease;
    }
    .hero-stat-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-violet));
    }
    .hero-stat-card:hover {
      transform: translateY(-3px);
      border-color: var(--neon-cyan);
    }
    .hero-stat-num {
      font-size: 26px;
      font-weight: 800;
      color: #0051ff;
      line-height: 1.2;
      margin-bottom: 4px;
    }
    .hero-stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 区域布局统一标准 */
    .page-section {
      padding: 75px 0;
      position: relative;
    }
    .card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 28px;
      box-shadow: 0 6px 20px rgba(11, 21, 40, 0.03);
      transition: all 0.25s ease;
      position: relative;
    }
    .card:hover {
      border-color: rgba(0, 229, 255, 0.6);
      box-shadow: var(--glow-shadow);
      transform: translateY(-3px);
    }

    /* 平台介绍 */
    .intro-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 32px;
      align-items: center;
    }
    .intro-text-box h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .intro-highlights {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .intro-item {
      background: #f8fbff;
      border: 1px dashed #bfdbfe;
      border-radius: 10px;
      padding: 14px 16px;
    }
    .intro-item strong {
      display: block;
      font-size: 14px;
      color: #0051ff;
      margin-bottom: 4px;
    }
    .intro-item span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* 支持平台模型标签池 */
    .model-tags-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 20px;
    }
    .model-badge {
      background: #ffffff;
      border: 1px solid #d4e2f7;
      padding: 6px 14px;
      border-radius: 8px;
      font-size: 13px;
      font-weight: 600;
      color: #1e293b;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
      transition: all 0.2s ease;
    }
    .model-badge:hover {
      border-color: var(--neon-cyan);
      color: var(--primary);
      box-shadow: 0 0 10px rgba(0, 229, 255, 0.3);
    }

    /* 场景与能力网格 */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 24px;
      transition: all 0.28s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .feature-card:hover {
      border-color: rgba(0, 229, 255, 0.7);
      box-shadow: 0 8px 30px rgba(0, 102, 255, 0.09), 0 0 16px rgba(0, 229, 255, 0.2);
      transform: translateY(-4px);
    }
    .feature-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
    }
    .feature-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
    }
    .feature-tag {
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      background: #eef5ff;
      color: #0051ff;
      font-weight: 700;
    }
    .feature-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 流程步骤 */
    .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(--border-radius);
      padding: 24px 20px;
      text-align: center;
      position: relative;
    }
    .step-num {
      width: 44px;
      height: 44px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--primary));
      color: #ffffff;
      font-size: 18px;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0, 102, 255, 0.25);
    }
    .step-card h4 {
      font-size: 16px;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .step-card p {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 评测与对比表格 - 规则强约束 */
    .eval-score-banner {
      background: linear-gradient(135deg, #0b1528 0%, #172a4d 100%);
      color: #ffffff;
      border-radius: var(--border-radius);
      padding: 32px;
      margin-bottom: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border: 1px solid rgba(0, 229, 255, 0.4);
      box-shadow: 0 10px 30px rgba(11, 21, 40, 0.15);
    }
    .eval-score-main h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 8px;
      color: #ffffff;
    }
    .eval-score-main p {
      color: #94a3b8;
      font-size: 14px;
    }
    .eval-stars-wrap {
      text-align: right;
    }
    .eval-stars {
      color: #ffd700;
      font-size: 22px;
      letter-spacing: 2px;
      margin-bottom: 4px;
    }
    .eval-score-digits {
      font-size: 34px;
      font-weight: 900;
      color: var(--neon-cyan);
    }
    .eval-score-digits span {
      font-size: 16px;
      color: #94a3b8;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
      border-radius: var(--border-radius);
      border: 1px solid var(--border-color);
      background: #ffffff;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.02);
    }
    .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 var(--border-color);
    }
    .custom-table th {
      background: #f1f5fd;
      color: var(--text-main);
      font-weight: 700;
      white-space: nowrap;
    }
    .custom-table tr:last-child td {
      border-bottom: none;
    }
    .custom-table .col-highlight {
      background: rgba(0, 229, 255, 0.04);
      font-weight: 700;
      color: var(--primary);
    }
    .badge-check {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 6px;
      font-size: 12px;
      background: #e6f9f0;
      color: #059669;
      font-weight: 700;
    }
    .badge-cross {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 6px;
      font-size: 12px;
      background: #fef2f2;
      color: #dc2626;
      font-weight: 600;
    }

    /* 案例中心 */
    .media-card-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .media-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      overflow: hidden;
      box-shadow: 0 6px 20px rgba(11, 21, 40, 0.03);
    }
    .media-box {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #eef2f9;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .media-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }
    .media-card:hover .media-box img {
      transform: scale(1.03);
    }
    .media-info {
      padding: 22px;
    }
    .media-info h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .media-info p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 客户真实评价 - 6条 */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 24px;
      box-shadow: 0 4px 16px rgba(11, 21, 40, 0.02);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .review-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, #0051ff, #00d4ff);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 16px;
    }
    .review-author {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
    }
    .review-role {
      font-size: 12px;
      color: var(--text-muted);
    }
    .review-stars {
      color: #ffb800;
      font-size: 13px;
      margin-bottom: 10px;
    }
    .review-body {
      font-size: 13px;
      color: #3b4c68;
      line-height: 1.6;
    }

    /* FAQ 手风琴折叠面板 */
    .faq-list {
      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: 12px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }
    .faq-item.active {
      border-color: var(--neon-cyan);
      box-shadow: 0 4px 16px rgba(0, 229, 255, 0.12);
    }
    .faq-q {
      padding: 18px 22px;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }
    .faq-icon {
      font-size: 18px;
      transition: transform 0.25s ease;
      color: var(--primary);
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-a {
      padding: 0 22px 18px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
    }
    .faq-item.active .faq-a {
      display: block;
    }

    /* 需求匹配与表单 */
    .form-wrap-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 36px;
      box-shadow: 0 10px 30px rgba(11, 21, 40, 0.04);
    }
    .form-info h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .form-info p {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      line-height: 1.7;
    }
    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 14px;
      color: var(--text-main);
    }
    .form-element {
      margin-bottom: 16px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #c9d8ee;
      border-radius: 8px;
      font-size: 14px;
      background: #fbfdff;
      color: var(--text-main);
      outline: none;
      transition: border-color 0.2s ease;
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.12);
    }
    .form-textarea {
      resize: vertical;
      min-height: 90px;
    }

    /* 最新文章与动态调用 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .news-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--border-radius);
      padding: 22px;
      transition: all 0.25s ease;
    }
    .news-card:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-3px);
    }
    .news-date {
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.5;
    }
    .news-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 浮动客服 */
    .floating-contact {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .floating-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid rgba(0, 229, 255, 0.5);
      box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 18px;
      color: var(--primary);
      position: relative;
      transition: all 0.2s ease;
    }
    .floating-btn:hover {
      transform: scale(1.08);
      border-color: var(--neon-cyan);
      box-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
    }
    .floating-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      width: 170px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 12px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
      text-align: center;
      display: none;
    }
    .floating-btn:hover .floating-popup {
      display: block;
    }
    .floating-popup img {
      width: 100%;
      height: auto;
      border-radius: 6px;
      display: block;
      margin-bottom: 6px;
    }
    .floating-popup span {
      font-size: 12px;
      font-weight: 600;
      color: var(--text-main);
    }

    /* 友情链接与页脚 */
    .footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
      color: var(--text-main);
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 36px;
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-col p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a {
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--primary);
    }
    .qrcode-box {
      width: 100px;
      height: auto;
      margin-top: 8px;
    }
    .qrcode-box img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 6px;
      border: 1px solid #e2e8f0;
    }
    .friend-links-box {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      margin-bottom: 24px;
    }
    .friend-links-box span {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-main);
      margin-right: 12px;
    }
    .friend-links-box a {
      font-size: 13px;
      color: var(--text-muted);
      margin-right: 16px;
      display: inline-block;
      line-height: 1.8;
    }
    .friend-links-box a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: var(--text-muted);
    }

    /* 响应式断点 */
    @media (max-width: 992px) {
      .hero-title { font-size: 30px; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .feature-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
      .intro-grid { grid-template-columns: 1fr; }
      .form-wrap-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: repeat(2, 1fr); }
      .news-grid { grid-template-columns: 1fr; }
      .nav-links { display: none; }
      .mobile-menu-btn { display: block; }
      .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
      }
      .nav-links.active li { width: 100%; }
      .nav-links.active li a { display: block; padding: 10px 0; }
    }

    @media (max-width: 640px) {
      .hero-title { font-size: 24px; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .feature-grid { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr; }
      .reviews-grid { grid-template-columns: 1fr; }
      .media-card-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; }
      .eval-score-banner { flex-direction: column; text-align: center; gap: 16px; }
      .eval-stars-wrap { text-align: center; }
    }