/* 基础与变量重置 - 幻彩珠光浅色风 */
    :root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --bg-main: #fafbfd;
      --bg-card: #ffffff;
      --border-color: rgba(226, 232, 240, 0.8);
      --holographic-gradient: linear-gradient(135deg, #ff80bf 0%, #9580ff 30%, #80d0ff 70%, #ffca80 100%);
      --holographic-bg: linear-gradient(120deg, #f0f7ff 0%, #fbf5ff 35%, #fff5f7 70%, #f4faff 100%);
      --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.06);
      --shadow-md: 0 10px 25px -5px rgba(99, 102, 241, 0.1), 0 8px 10px -6px rgba(99, 102, 241, 0.05);
      --shadow-lg: 0 20px 35px -10px rgba(99, 102, 241, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --max-width: 1200px;
    }

    * {
      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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      background-image: 
        radial-gradient(at 0% 0%, rgba(149, 128, 255, 0.08) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(128, 208, 255, 0.1) 0px, transparent 50%),
        radial-gradient(at 50% 50%, rgba(255, 128, 191, 0.05) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(255, 202, 128, 0.08) 0px, transparent 50%);
      background-attachment: fixed;
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* 统一居中容器 */
    .container {
      width: 100%;
      max-width: var(--max-width);
      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, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.7);
      transition: all 0.3s ease;
    }

    .nav-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: 38px;
      width: auto;
      display: block;
    }

    .brand-name {
      font-size: 1.25rem;
      font-weight: 700;
      background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: -0.5px;
    }

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

    .nav-links li {
      margin: 0;
      padding: 0;
    }

    .nav-links a {
      display: block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-muted);
      text-decoration: none;
      transition: all 0.2s ease;
      border-radius: var(--radius-sm);
    }

    .nav-links a:hover {
      color: var(--primary);
      background: rgba(79, 70, 229, 0.05);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      text-decoration: none;
      cursor: pointer;
      transition: all 0.25s ease;
      border: 1px solid transparent;
      white-space: nowrap;
    }

    .btn-primary {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #4338ca 0%, #6d28d9 100%);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
    }

    .btn-holographic {
      background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
      color: #312e81;
      border: 1px solid rgba(165, 180, 252, 0.6);
      position: relative;
      overflow: hidden;
    }

    .btn-holographic::before {
      content: '';
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: var(--holographic-gradient);
      opacity: 0.15;
      transition: opacity 0.3s ease;
    }

    .btn-holographic:hover::before {
      opacity: 0.3;
    }

    .btn-holographic:hover {
      border-color: #818cf8;
      transform: translateY(-1px);
      box-shadow: 0 4px 14px rgba(99, 102, 241, 0.2);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* 区域统一标准 */
    .section-block {
      padding: 72px 0;
      position: relative;
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #4338ca;
      background: rgba(99, 102, 241, 0.1);
      border: 1px solid rgba(99, 102, 241, 0.2);
      border-radius: 999px;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      line-height: 1.3;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 首屏 Hero - 严格无图，纯CSS与结构 */
    .hero-section {
      padding: 80px 0 60px;
      text-align: center;
      position: relative;
    }

    .hero-badge-wrap {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid rgba(199, 210, 254, 0.8);
      border-radius: 999px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-badge-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10b981;
      box-shadow: 0 0 8px #10b981;
    }

    .hero-badge-text {
      font-size: 0.875rem;
      font-weight: 600;
      color: #3730a3;
    }

    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: #0f172a;
      max-width: 900px;
      margin: 0 auto 20px;
      letter-spacing: -1px;
    }

    .hero-title span {
      background: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #ea580c 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-lead {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }

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

    .hero-btns .btn {
      padding: 14px 32px;
      font-size: 1.05rem;
    }

    /* 首屏数据指标卡 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .stat-card {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease, border-color 0.3s ease;
      position: relative;
      overflow: hidden;
    }

    .stat-card::after {
      content: '';
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 3px;
      background: var(--holographic-gradient);
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .stat-card:hover {
      transform: translateY(-4px);
      border-color: rgba(165, 180, 252, 0.8);
    }

    .stat-card:hover::after {
      opacity: 1;
    }

    .stat-val {
      font-size: 2.2rem;
      font-weight: 800;
      color: #312e81;
      line-height: 1;
      margin-bottom: 8px;
    }

    .stat-lbl {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* 平台介绍 & 矩阵 */
    .model-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-pill {
      padding: 8px 16px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 600;
      color: #334155;
      box-shadow: 0 1px 3px rgba(0,0,0,0.02);
      transition: all 0.2s ease;
    }

    .model-pill:hover {
      border-color: #818cf8;
      color: #4f46e5;
      background: #f5f3ff;
      transform: translateY(-2px);
    }

    /* 卡片网格体系 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }

    .feature-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: rgba(165, 180, 252, 0.6);
    }

    .card-icon-box {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(147, 51, 234, 0.1) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.3rem;
      margin-bottom: 20px;
      border: 1px solid rgba(99, 102, 241, 0.15);
    }

    .card-title {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .card-desc {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
    }

    .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: 16px;
    }

    .tag-item {
      font-size: 0.75rem;
      padding: 3px 8px;
      background: #f1f5f9;
      color: #475569;
      border-radius: 4px;
      font-weight: 500;
    }

    /* 案例中心图文展示 */
    .case-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .case-media {
      width: 100%;
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #f1f5f9;
    }

    .case-media.square-ratio {
      aspect-ratio: 1 / 1;
    }

    .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: 22px;
    }

    .case-cat {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .case-summary {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 评测与对比板块 */
    .eval-highlight {
      background: linear-gradient(135deg, #f8faff 0%, #faf5ff 100%);
      border: 1px solid rgba(165, 180, 252, 0.6);
      border-radius: var(--radius-lg);
      padding: 36px;
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }

    .score-badge-box {
      text-align: center;
      padding-right: 40px;
      border-right: 1px solid rgba(226, 232, 240, 0.8);
      min-width: 220px;
    }

    .score-stars {
      color: #f59e0b;
      font-size: 1.3rem;
      letter-spacing: 2px;
      margin-bottom: 6px;
    }

    .score-num {
      font-size: 3.2rem;
      font-weight: 900;
      color: #1e1b4b;
      line-height: 1;
    }

    .score-max {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-light);
    }

    .eval-summary-text {
      padding-left: 36px;
      flex-grow: 1;
    }

    .eval-summary-text h3 {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 10px;
    }

    .eval-summary-text p {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

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

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

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

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: #1e293b;
    }

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

    .highlight-col {
      background: rgba(99, 102, 241, 0.03);
      font-weight: 600;
      color: #312e81;
    }

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

    /* 流程步骤 */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .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-no {
      font-size: 1.8rem;
      font-weight: 900;
      background: linear-gradient(135deg, #4f46e5 0%, #c084fc 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 12px;
    }

    .step-name {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .step-detail {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 用户评论卡片 */
    .testimonial-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;
    }

    .testimonial-body {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
      font-style: normal;
    }

    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 16px;
    }

    .user-avatar-text {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
      color: #ffffff;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .user-meta-name {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

    .user-meta-role {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 需求匹配与表单 */
    .form-wrapper {
      background: #ffffff;
      border: 1px solid rgba(199, 210, 254, 0.6);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
      max-width: 800px;
      margin: 0 auto;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
    }

    .form-full {
      grid-column: span 2;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .form-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #f8fafc;
      transition: all 0.2s ease;
      font-family: inherit;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
    }

    textarea.form-control {
      min-height: 120px;
      resize: vertical;
    }

    /* FAQ 手风琴 */
    .faq-list {
      max-width: 860px;
      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);
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: #a5b4fc;
    }

    .faq-btn {
      width: 100%;
      text-align: left;
      padding: 18px 22px;
      background: none;
      border: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      font-family: inherit;
    }

    .faq-icon {
      font-size: 1.2rem;
      color: var(--primary);
      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;
      padding: 0 22px;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }

    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-bottom: 18px;
    }

    /* 文章与资讯列表 */
    .article-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

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

    .article-list li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      border-radius: var(--radius-sm);
      text-decoration: none;
      color: var(--text-main);
      font-size: 0.95rem;
      font-weight: 500;
      background: #f8fafc;
      transition: all 0.2s ease;
    }

    .article-list li a:hover {
      background: #f1f5f9;
      color: var(--primary);
      transform: translateX(4px);
    }

    /* 联系与加盟 */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: start;
    }

    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .contact-meta-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 20px;
    }

    .contact-meta-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .contact-meta-item strong {
      color: var(--text-main);
      min-width: 80px;
    }

    .qr-showcase {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 24px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border: 1px dashed #cbd5e1;
      text-align: center;
    }

    .qr-showcase img {
      width: 140px;
      height: 140px;
      object-fit: contain;
      border-radius: 8px;
      margin-bottom: 10px;
      background: #fff;
      padding: 6px;
    }

    /* 友情链接与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 50px 0 30px;
      color: var(--text-muted);
      font-size: 0.9rem;
    }

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

    .footer-desc {
      margin-top: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      max-width: 380px;
    }

    .footer-links-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }

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

    .links-wrap a {
      color: var(--text-muted);
      text-decoration: none;
      transition: color 0.2s ease;
      font-size: 0.88rem;
    }

    .links-wrap a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-copy {
      color: var(--text-light);
      font-size: 0.85rem;
    }

    /* 浮动客服挂件 */
    .floating-kefu {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      background: #ffffff;
      border: 1px solid rgba(165, 180, 252, 0.8);
      box-shadow: var(--shadow-lg);
      border-radius: var(--radius-md);
      padding: 12px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 6px;
      cursor: pointer;
      transition: transform 0.2s ease;
    }

    .floating-kefu:hover {
      transform: translateY(-3px);
    }

    .kefu-badge {
      font-size: 0.75rem;
      font-weight: 700;
      color: #4f46e5;
    }

    .floating-kefu img {
      width: 72px;
      height: 72px;
      display: block;
      border-radius: 4px;
    }

    /* 响应式媒体查询 */
    @media (max-width: 1024px) {
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-md);
      }
      .nav-links.active { display: flex; }
      .nav-links a { width: 100%; padding: 10px 0; }
      .nav-actions { display: none; }
      
      .hero-title { font-size: 2.1rem; }
      .hero-stats-grid { grid-template-columns: 1fr; }
      .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr; }
      
      .eval-highlight {
        flex-direction: column;
        text-align: center;
        gap: 24px;
      }
      .score-badge-box {
        border-right: none;
        border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        padding-right: 0;
        padding-bottom: 20px;
      }
      .eval-summary-text { padding-left: 0; }
      
      .form-grid { grid-template-columns: 1fr; }
      .form-full { grid-column: span 1; }
      .contact-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr; }
      
      .floating-kefu { display: none; }
    }