/* CSS Reset & Variables */
    :root {
      --primary: #2563eb;
      --primary-light: #3b82f6;
      --primary-glow: #60a5fa;
      --accent-cyan: #06b6d4;
      --accent-violet: #7c3aed;
      --accent-amber: #f59e0b;
      --accent-rose: #f43f5e;
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-dark: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-hover: #cbd5e1;
      --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(37, 99, 235, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 35px -5px rgba(37, 99, 235, 0.12), 0 10px 15px -5px rgba(15, 23, 42, 0.05);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-dark);
      line-height: 1.65;
      font-size: 16px;
      overflow-x: hidden;
    }

    /* Standard Shared Container */
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Common Section Styles */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(6, 182, 212, 0.12));
      color: var(--primary);
      border: 1px solid rgba(37, 99, 235, 0.2);
      border-radius: 9999px;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 14px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.25;
      margin-bottom: 16px;
      letter-spacing: -0.02em;
    }

    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 720px;
      margin-bottom: 48px;
    }

    .text-center {
      text-align: center;
    }
    .text-center .section-desc {
      margin-left: auto;
      margin-right: auto;
    }

    /* Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

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

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .brand-wrap .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 20px;
      font-weight: 800;
      background: linear-gradient(135deg, var(--primary), var(--accent-violet));
      -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; /* Strict requirement */
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 12px;
      color: var(--text-dark);
      text-decoration: none;
      font-size: 14px;
      font-weight: 500;
      transition: var(--transition);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover {
      color: var(--primary);
      background-color: rgba(37, 99, 235, 0.06);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: 9999px;
      font-size: 14px;
      font-weight: 600;
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
    }

    .btn-outline {
      background: #ffffff;
      color: var(--primary);
      border: 1px solid rgba(37, 99, 235, 0.3);
    }

    .btn-outline:hover {
      background: rgba(37, 99, 235, 0.05);
      border-color: var(--primary);
    }

    .btn-lg {
      padding: 14px 34px;
      font-size: 16px;
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
    }

    .nav-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-dark);
      margin: 5px 0;
      transition: var(--transition);
    }

    /* Hero Section - STRICTLY NO IMAGES */
    .hero-section {
      background: radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.12), transparent 40%),
                  radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.1), transparent 45%),
                  #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 90px 0 80px;
      position: relative;
      overflow: hidden;
    }

    .hero-content {
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #eff6ff;
      border: 1px solid #bfdbfe;
      border-radius: 9999px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 44px;
      font-weight: 900;
      color: var(--text-dark);
      line-height: 1.22;
      margin-bottom: 20px;
      letter-spacing: -0.03em;
    }

    .hero-title .highlight {
      background: linear-gradient(135deg, #1d4ed8 0%, #06b6d4 50%, #7c3aed 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-sub {
      font-size: 18px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 36px;
      max-width: 760px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    .hero-cta-official {
      background: linear-gradient(135deg, #0284c7 0%, #2563eb 50%, #7c3aed 100%);
      color: #ffffff;
      font-size: 17px;
      font-weight: 700;
      padding: 15px 36px;
      border-radius: 9999px;
      box-shadow: 0 10px 25px -4px rgba(37, 99, 235, 0.45);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transition: var(--transition);
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .hero-cta-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 15px 30px -4px rgba(37, 99, 235, 0.55);
    }

    .hero-model-chips {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 820px;
      margin: 0 auto 50px;
    }

    .model-chip {
      padding: 5px 12px;
      background: #f1f5f9;
      color: #334155;
      font-size: 12px;
      font-weight: 600;
      border-radius: 6px;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: #e0f2fe;
      color: var(--primary);
      border-color: #93c5fd;
    }

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

    .metric-card {
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(226, 232, 240, 0.9);
      padding: 24px 18px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      text-align: center;
    }

    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }

    .metric-num {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 6px;
      font-family: Arial, sans-serif;
    }

    .metric-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 4px;
    }

    .metric-sub {
      font-size: 12px;
      color: var(--text-light);
    }

    /* About Section */
    .about-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

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

    .about-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .point-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 14px;
      background: #ffffff;
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-color);
    }

    .point-icon {
      width: 28px;
      height: 28px;
      border-radius: 6px;
      background: #eff6ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    .point-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 2px;
    }

    .point-desc {
      font-size: 12px;
      color: var(--text-light);
    }

    .about-media-box {
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .about-media-box img {
      width: 100%;
      height: auto;
      border-radius: var(--radius-md);
      display: block;
      object-fit: cover;
    }

    /* Service / Capability Grid */
    .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 24px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }

    .service-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 16px;
    }

    .service-badge {
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background: #f1f5f9;
      color: var(--text-muted);
    }

    .service-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }

    .service-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }

    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .service-tag {
      font-size: 11px;
      padding: 3px 8px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 4px;
      color: var(--text-light);
    }

    /* Workflow Steps */
    .workflow-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .workflow-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      text-align: center;
      position: relative;
      transition: var(--transition);
    }

    .workflow-card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }

    .step-badge {
      width: 44px;
      height: 44px;
      margin: 0 auto 16px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
      color: #ffffff;
      font-weight: 800;
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
    }

    .workflow-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-dark);
    }

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

    /* Solutions & Service Network */
    .solution-tabs-wrap {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .solution-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .solution-box {
      border: 1px solid #f1f5f9;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      padding: 24px;
      transition: var(--transition);
    }

    .solution-box:hover {
      background: #ffffff;
      border-color: #cbd5e1;
      box-shadow: var(--shadow-sm);
    }

    .solution-box h4 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--primary);
    }

    .solution-box p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    .solution-box ul {
      list-style: none;
      font-size: 13px;
      color: var(--text-dark);
    }

    .solution-box ul li {
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .solution-box ul li::before {
      content: "•";
      color: var(--accent-cyan);
      font-size: 18px;
    }

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

    .case-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

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

    .case-img-box {
      width: 100%;
      height: 240px;
      overflow: hidden;
      background: #e2e8f0;
      position: relative;
    }

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

    .case-card:hover .case-img-box img {
      transform: scale(1.03);
    }

    .case-body {
      padding: 24px;
    }

    .case-category {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 6px;
    }

    .case-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }

    .case-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 14px;
    }

    /* Comparison Section */
    .comparison-wrapper {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow: hidden;
    }

    .rating-banner {
      background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
      color: #ffffff;
      padding: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .rating-score-block {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .score-circle {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary);
      font-size: 26px;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      flex-shrink: 0;
    }

    .rating-details h3 {
      font-size: 22px;
      font-weight: 800;
      margin-bottom: 4px;
    }

    .rating-stars {
      color: #fbbf24;
      font-size: 18px;
      margin-bottom: 2px;
    }

    .table-container {
      width: 100%;
      overflow-x: auto;
    }

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

    .compare-table th, .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    .compare-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-dark);
    }

    .col-highlight {
      background: rgba(37, 99, 235, 0.04);
      font-weight: 600;
      color: var(--primary);
    }

    .tag-badge {
      display: inline-block;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }

    .tag-success {
      background: #dcfce7;
      color: #15803d;
    }

    .tag-warning {
      background: #fef3c7;
      color: #b45309;
    }

    .tag-danger {
      background: #fee2e2;
      color: #b91c1c;
    }

    /* Token Price Section */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
    }

    .token-card.featured {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-md);
    }

    .token-card.featured::before {
      content: "爆款首选";
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--primary);
      color: #ffffff;
      padding: 2px 10px;
      font-size: 11px;
      font-weight: 700;
      border-radius: 9999px;
    }

    .token-model-name {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 12px;
    }

    .token-price-wrap {
      display: flex;
      align-items: baseline;
      gap: 6px;
      margin-bottom: 16px;
    }

    .price-val {
      font-size: 32px;
      font-weight: 900;
      color: var(--primary);
    }

    .price-unit {
      font-size: 13px;
      color: var(--text-light);
    }

    .token-savings {
      font-size: 12px;
      background: #eff6ff;
      color: var(--primary);
      padding: 4px 10px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 18px;
      font-weight: 600;
    }

    .token-features {
      list-style: none;
      font-size: 13px;
      color: var(--text-muted);
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      margin-bottom: 20px;
    }

    .token-features li {
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* Agent / Franchise Section */
    .agent-box {
      background: linear-gradient(135deg, #eff6ff 0%, #f0fdf4 100%);
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-sm);
    }

    .agent-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .agent-perks {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-top: 24px;
    }

    .perk-item {
      background: #ffffff;
      padding: 16px;
      border-radius: var(--radius-sm);
      border: 1px solid #e2e8f0;
    }

    .perk-item h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 4px;
    }

    .perk-item p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* Customer Reviews */
    .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;
      transition: var(--transition);
    }

    .review-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #cbd5e1;
    }

    .review-quote {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      position: relative;
    }

    .reviewer-info {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .reviewer-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
      flex-shrink: 0;
    }

    .reviewer-name {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-dark);
    }

    .reviewer-role {
      font-size: 12px;
      color: var(--text-light);
    }

    /* FAQ Section */
    .faq-container {
      max-width: 880px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: #cbd5e1;
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-dark);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 18px;
      color: var(--primary);
      transition: transform 0.28s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      background: #f8fafc;
      border-top: 1px solid transparent;
      padding: 0 24px;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 18px 24px 22px;
      border-top-color: #f1f5f9;
    }

    .faq-answer p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Demand Form & Contact */
    .form-contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
    }

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

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

    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 6px;
    }

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

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    }

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

    .contact-info-panel {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-sm);
    }

    .contact-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 16px;
      font-size: 14px;
      color: var(--text-dark);
    }

    .contact-icon-badge {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: #eff6ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }

    .qr-block {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 18px;
      background: #f8fafc;
      border-radius: var(--radius-md);
      border: 1px solid #e2e8f0;
    }

    .qr-block img {
      width: 96px;
      height: 96px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      display: block;
    }

    .qr-text h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 4px;
    }

    .qr-text p {
      font-size: 12px;
      color: var(--text-light);
      line-height: 1.5;
    }

    /* Industry Articles & Wiki */
    .articles-container {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 32px;
    }

    .articles-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 20px;
    }

    .article-link-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 18px;
      background: #f8fafc;
      border-radius: var(--radius-sm);
      text-decoration: none;
      color: var(--text-dark);
      border: 1px solid #e2e8f0;
      transition: var(--transition);
      font-size: 14px;
    }

    .article-link-item:hover {
      background: #eff6ff;
      border-color: #93c5fd;
      color: var(--primary);
    }

    /* Footer */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      font-size: 14px;
      border-top: 1px solid #1e293b;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand h3 {
      color: #ffffff;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .footer-brand p {
      line-height: 1.7;
      max-width: 380px;
      margin-bottom: 20px;
    }

    .footer-nav h4, .footer-links-col h4 {
      color: #f8fafc;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 16px;
    }

    .footer-nav ul, .footer-links-col ul {
      list-style: none;
    }

    .footer-nav li, .footer-links-col li {
      margin-bottom: 10px;
    }

    .footer-nav a, .footer-links-col a {
      color: #94a3b8;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-nav a:hover, .footer-links-col a:hover {
      color: #38bdf8;
    }

    .friend-links-wrap {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-bottom: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
    }

    .friend-links-title {
      color: #cbd5e1;
      font-weight: 600;
      font-size: 13px;
    }

    .friend-links-wrap a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 13px;
      transition: var(--transition);
    }

    .friend-links-wrap a:hover {
      color: #38bdf8;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: #64748b;
    }

    /* Floating Customer Support & Back to Top */
    .floating-tools {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--primary);
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      text-decoration: none;
      transition: var(--transition);
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: translateY(-3px);
    }

    .float-btn svg {
      width: 22px;
      height: 22px;
      fill: currentColor;
    }

    /* Responsive Queries */
    @media (max-width: 1024px) {
      .services-grid, .token-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .workflow-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .agent-grid, .form-contact-grid, .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 768px) {
      .nav-toggle {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 16px;
        display: none;
        box-shadow: var(--shadow-md);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-links li a {
        display: block;
        padding: 12px;
      }
      .hero-title {
        font-size: 30px;
      }
      .section-title {
        font-size: 26px;
      }
      .services-grid, .solution-grid, .cases-grid, .token-grid, .reviews-grid, .hero-metrics-grid, .workflow-grid {
        grid-template-columns: 1fr;
      }
      .rating-banner {
        flex-direction: column;
        align-items: flex-start;
      }
      .about-points {
        grid-template-columns: 1fr;
      }
    }