:root {
      --bg-primary: #0a0e1a;
      --bg-secondary: #121829;
      --bg-card: #182035;
      --text-main: #f0f4fc;
      --text-muted: #8e9bb5;
      --neon-cyan: #00f0ff;
      --neon-purple: #9d4edd;
      --neon-green: #05ffa1;
      --neon-pink: #ff007f;
      --border-color: rgba(0, 240, 255, 0.2);
      --border-hover: rgba(0, 240, 255, 0.6);
      --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.35);
      --glow-purple: 0 0 20px rgba(157, 78, 221, 0.35);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      background-color: var(--bg-primary);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      position: relative;
    }
    body::before {
      content: "";
      position: fixed;
      top: -20%;
      left: -10%;
      width: 60vw;
      height: 60vw;
      background: radial-gradient(circle, rgba(157, 78, 221, 0.12) 0%, rgba(10, 14, 26, 0) 70%);
      z-index: -1;
      pointer-events: none;
    }
    body::after {
      content: "";
      position: fixed;
      bottom: -20%;
      right: -10%;
      width: 60vw;
      height: 60vw;
      background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, rgba(10, 14, 26, 0) 70%);
      z-index: -1;
      pointer-events: none;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10, 14, 26, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-group {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .brand-group .logo-wrap {
      height: 38px;
      display: flex;
      align-items: center;
    }
    .ai-page-home-link {
      color: var(--neon-cyan);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      border: 1px solid var(--border-color);
      padding: 4px 12px;
      border-radius: 6px;
      transition: var(--transition);
    }
    .ai-page-home-link:hover {
      background: rgba(0, 240, 255, 0.1);
      box-shadow: var(--glow-cyan);
    }
    .nav-links {
      display: flex;
      gap: 0;
      align-items: center;
      list-style: none;
    }
    .nav-links li a {
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.92rem;
      padding: 8px 12px;
      transition: var(--transition);
      display: inline-block;
    }
    .nav-links li a:hover {
      color: var(--neon-cyan);
      text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .nav-btn {
      background: linear-gradient(135deg, var(--neon-cyan), #00a8ff);
      color: #030a16;
      font-weight: 600;
      font-size: 0.9rem;
      padding: 8px 18px;
      border-radius: 8px;
      text-decoration: none;
      transition: var(--transition);
      box-shadow: var(--glow-cyan);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .nav-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
    }
    .menu-toggle {
      display: none;
      background: transparent;
      border: 1px solid var(--border-color);
      color: var(--text-main);
      font-size: 1.5rem;
      padding: 4px 10px;
      border-radius: 6px;
      cursor: pointer;
    }
    .hero-section {
      padding: 80px 0 60px;
      text-align: center;
      position: relative;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(157, 78, 221, 0.15);
      border: 1px solid var(--neon-purple);
      color: #e0aaff;
      font-size: 0.88rem;
      padding: 6px 16px;
      border-radius: 50px;
      margin-bottom: 24px;
      box-shadow: var(--glow-purple);
    }
    .hero-badge span.dot {
      width: 8px;
      height: 8px;
      background-color: var(--neon-green);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--neon-green);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }
    .hero-title {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      background: linear-gradient(135deg, #ffffff 20%, var(--neon-cyan) 60%, #a855f7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }
    .btn-main {
      background: linear-gradient(135deg, var(--neon-cyan), #0077ff);
      color: #030a16;
      font-weight: 700;
      font-size: 1.05rem;
      padding: 14px 36px;
      border-radius: 10px;
      text-decoration: none;
      box-shadow: var(--glow-cyan);
      transition: var(--transition);
      border: none;
      cursor: pointer;
    }
    .btn-main:hover {
      transform: translateY(-3px);
      box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.03);
      color: var(--text-main);
      font-weight: 600;
      font-size: 1.05rem;
      padding: 14px 32px;
      border-radius: 10px;
      text-decoration: none;
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .btn-outline:hover {
      border-color: var(--neon-purple);
      background: rgba(157, 78, 221, 0.1);
      box-shadow: var(--glow-purple);
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .stat-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 24px 16px;
      border-radius: 14px;
      text-align: center;
      transition: var(--transition);
    }
    .stat-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: var(--glow-cyan);
      transform: translateY(-4px);
    }
    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--neon-cyan);
      margin-bottom: 6px;
      font-family: Consolas, monospace;
    }
    .stat-label {
      font-size: 0.9rem;
      color: var(--text-muted);
    }
    .models-marquee-wrap {
      margin-top: 48px;
      background: rgba(18, 24, 41, 0.7);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
      overflow: hidden;
      white-space: nowrap;
    }
    .models-track {
      display: inline-flex;
      gap: 28px;
      animation: marquee 35s linear infinite;
    }
    .model-tag {
      background: rgba(0, 240, 255, 0.08);
      border: 1px solid rgba(0, 240, 255, 0.25);
      color: #bbf7d0;
      padding: 6px 16px;
      border-radius: 20px;
      font-size: 0.88rem;
      font-weight: 500;
      letter-spacing: 0.5px;
    }
    @keyframes marquee {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }
    .section-pad {
      padding: 90px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .section-header {
      text-align: center;
      margin-bottom: 56px;
    }
    .section-sub {
      color: var(--neon-cyan);
      text-transform: uppercase;
      font-size: 0.85rem;
      letter-spacing: 2px;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .section-title {
      font-size: 2.2rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 14px;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 1rem;
      max-width: 680px;
      margin: 0 auto;
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .about-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 36px;
      position: relative;
    }
    .about-card h3 {
      font-size: 1.5rem;
      margin-bottom: 16px;
      color: var(--neon-cyan);
    }
    .about-card p {
      color: var(--text-muted);
      margin-bottom: 16px;
      font-size: 0.98rem;
      line-height: 1.7;
    }
    .highlight-list {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
      margin-top: 20px;
    }
    .highlight-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      color: var(--text-main);
    }
    .highlight-list li::before {
      content: "✦";
      color: var(--neon-green);
    }
    .about-features {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .feat-item {
      background: rgba(24, 32, 53, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.08);
      padding: 20px 24px;
      border-radius: 12px;
      transition: var(--transition);
    }
    .feat-item:hover {
      border-color: var(--neon-purple);
      box-shadow: var(--glow-purple);
      transform: translateX(6px);
    }
    .feat-item h4 {
      font-size: 1.15rem;
      color: #fff;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .feat-item p {
      color: var(--text-muted);
      font-size: 0.9rem;
    }
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .cards-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      border-color: var(--neon-cyan);
      box-shadow: var(--glow-cyan);
      transform: translateY(-5px);
    }
    .service-icon {
      width: 48px;
      height: 48px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid var(--neon-cyan);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      color: var(--neon-cyan);
    }
    .service-card h3 {
      font-size: 1.25rem;
      color: #ffffff;
      margin-bottom: 12px;
    }
    .service-card p {
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.6;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .service-tag {
      display: inline-block;
      align-self: flex-start;
      background: rgba(157, 78, 221, 0.2);
      border: 1px solid rgba(157, 78, 221, 0.4);
      color: #d8b4fe;
      font-size: 0.8rem;
      padding: 4px 10px;
      border-radius: 6px;
    }
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }
    .process-step {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 24px 16px;
      border-radius: 12px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }
    .process-step:hover {
      border-color: var(--neon-green);
      box-shadow: 0 0 20px rgba(5, 255, 161, 0.3);
      transform: translateY(-4px);
    }
    .step-idx {
      width: 40px;
      height: 40px;
      background: linear-gradient(135deg, var(--neon-purple), #7928ca);
      color: #fff;
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-size: 1.1rem;
      box-shadow: var(--glow-purple);
    }
    .process-step h4 {
      font-size: 1.1rem;
      color: #fff;
      margin-bottom: 8px;
    }
    .process-step p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .media-card-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 24px;
      margin-bottom: 24px;
    }
    .banner-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 24px;
    }
    .media-box {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 14px;
      overflow: hidden;
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .media-box img {
      width: 100%;
      border-radius: 10px;
      display: block;
      transition: var(--transition);
    }
    .media-box:hover img {
      transform: scale(1.02);
    }
    .media-box-title {
      font-size: 1.05rem;
      color: #ffffff;
      font-weight: 600;
    }
    .media-box-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .eval-overview {
      background: linear-gradient(135deg, rgba(24, 32, 53, 0.9), rgba(18, 24, 41, 0.9));
      border: 1px solid var(--border-hover);
      border-radius: 16px;
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 32px;
      box-shadow: var(--glow-cyan);
      flex-wrap: wrap;
      gap: 24px;
    }
    .score-badge {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .score-val {
      font-size: 3.5rem;
      font-weight: 900;
      color: var(--neon-cyan);
      line-height: 1;
      font-family: Consolas, monospace;
    }
    .score-meta h3 {
      font-size: 1.3rem;
      color: #fff;
    }
    .score-stars {
      color: #ffb703;
      font-size: 1.2rem;
      margin-top: 4px;
    }
    .table-responsive {
      overflow-x: auto;
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 14px;
    }
    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .custom-table th, .custom-table td {
      padding: 18px 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.95rem;
    }
    .custom-table th {
      background: rgba(0, 240, 255, 0.05);
      color: var(--neon-cyan);
      font-weight: 600;
      white-space: nowrap;
    }
    .custom-table td {
      color: var(--text-muted);
    }
    .custom-table tr:hover td {
      background: rgba(255, 255, 255, 0.02);
      color: var(--text-main);
    }
    .tag-winner {
      color: var(--neon-green);
      font-weight: 600;
    }
    .form-section-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: flex-start;
    }
    .form-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 36px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-group label {
      display: block;
      font-size: 0.9rem;
      color: var(--text-main);
      margin-bottom: 8px;
      font-weight: 500;
    }
    .form-control {
      width: 100%;
      background: rgba(10, 14, 26, 0.7);
      border: 1px solid rgba(0, 240, 255, 0.25);
      padding: 12px 16px;
      border-radius: 8px;
      color: #fff;
      font-size: 0.95rem;
      outline: none;
      transition: var(--transition);
    }
    .form-control:focus {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--neon-purple);
    }
    .faq-header {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .faq-header h3 {
      font-size: 1.05rem;
      font-weight: 600;
      color: #fff;
    }
    .faq-icon {
      font-size: 1.2rem;
      color: var(--neon-cyan);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-body {
      padding: 0 24px 20px;
      display: none;
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.7;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      margin-top: -4px;
      padding-top: 16px;
    }
    .faq-item.active .faq-body {
      display: block;
    }
    .testimonial-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 28px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .testimonial-card:hover {
      border-color: var(--neon-green);
      box-shadow: 0 0 20px rgba(5, 255, 161, 0.25);
      transform: translateY(-4px);
    }
    .testi-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
    }
    .testi-avatar {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: #030a16;
    }
    .testi-name h4 {
      font-size: 1.05rem;
      color: #fff;
    }
    .testi-name span {
      font-size: 0.8rem;
      color: var(--neon-cyan);
    }
    .testi-content {
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.6;
      font-style: italic;
    }
    .agent-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .agent-box {
      background: linear-gradient(180deg, var(--bg-card) 0%, rgba(18, 24, 41, 0.8) 100%);
      border: 1px solid var(--border-color);
      border-radius: 14px;
      padding: 32px;
      text-align: center;
      transition: var(--transition);
    }
    .agent-box:hover {
      border-color: var(--neon-pink);
      box-shadow: 0 0 25px rgba(255, 0, 127, 0.35);
      transform: translateY(-5px);
    }
    .agent-box h3 {
      font-size: 1.35rem;
      color: #fff;
      margin-bottom: 12px;
    }
    .agent-box p {
      color: var(--text-muted);
      font-size: 0.92rem;
      margin-bottom: 24px;
    }
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .article-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      padding: 20px;
      border-radius: 12px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .article-item:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-3px);
    }
    .article-item a {
      color: var(--text-main);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 500;
      line-height: 1.5;
      margin-bottom: 12px;
      display: inline-block;
    }
    .article-item a:hover {
      color: var(--neon-cyan);
    }
    .article-meta {
      font-size: 0.8rem;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
    }
    footer {
      background: #060911;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      font-size: 1.1rem;
      color: #ffffff;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 8px;
    }
    .footer-col h4::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      width: 24px;
      height: 2px;
      background: var(--neon-cyan);
    }
    .footer-col p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 10px;
      line-height: 1.6;
    }
    .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: 0.9rem;
      transition: var(--transition);
    }
    .footer-links li a:hover {
      color: var(--neon-cyan);
      padding-left: 4px;
    }
    .qr-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--bg-card);
      padding: 16px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
    }
    .qr-wrap img {
      width: 90px;
      height: 90px;
      border-radius: 6px;
      background: #fff;
    }
    .qr-text {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    .qr-text strong {
      color: #fff;
      display: block;
      margin-bottom: 4px;
    }
    .friend-links {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 24px;
      margin-bottom: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 16px;
    }
    .friend-links span {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .friend-links a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.85rem;
      transition: var(--transition);
    }
    .friend-links a:hover {
      color: var(--neon-cyan);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #5d6b82;
    }
    .floating-widget {
      position: fixed;
      right: 24px;
      bottom: 30px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      z-index: 999;
    }
    .float-btn {
      width: 50px;
      height: 50px;
      background: var(--bg-card);
      border: 1px solid var(--neon-cyan);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--neon-cyan);
      text-decoration: none;
      box-shadow: var(--glow-cyan);
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.2rem;
    }
    .float-btn:hover {
      background: var(--neon-cyan);
      color: #030a16;
      transform: scale(1.1);
    }
    .float-qr-pop {
      position: absolute;
      right: 65px;
      bottom: 0;
      background: var(--bg-card);
      border: 1px solid var(--neon-cyan);
      padding: 16px;
      border-radius: 12px;
      box-shadow: var(--glow-cyan);
      display: none;
      width: 160px;
      text-align: center;
    }
    .float-qr-pop img {
      width: 120px;
      height: 120px;
      margin-bottom: 8px;
    }
    .float-qr-pop p {
      font-size: 0.8rem;
      color: var(--text-main);
    }
    .float-btn-kefu:hover + .float-qr-pop, .float-qr-pop:hover {
      display: block;
    }
    @media (max-width: 992px) {
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
      .cards-grid-4 { grid-template-columns: repeat(2, 1fr); }
      .process-timeline { grid-template-columns: repeat(2, 1fr); }
      .media-card-grid { grid-template-columns: 1fr; }
      .about-grid, .form-section-layout { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .agent-grid, .articles-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .menu-toggle { display: block; }
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        gap: 0;
      }
      .nav-links.active { display: flex; }
      .hero-title { font-size: 1.85rem; }
      .stats-grid, .cards-grid-3, .cards-grid-4, .agent-grid, .articles-grid, .banner-grid { grid-template-columns: 1fr; }
      .process-timeline { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .eval-overview { flex-direction: column; text-align: center; }
    }