/* --------------------------------------------------
       CSS Reset & Variables (Light Modern Graffiti Style)
       -------------------------------------------------- */
    :root {
      --bg-main: #f8f9fe;
      --bg-card: #ffffff;
      --bg-sub: #f1f4fb;
      --text-main: #1e1f24;
      --text-muted: #5a6072;
      --text-light: #8c93a6;
      
      /* Colorful Graffiti Accents */
      --primary: #6366f1;
      --primary-hover: #4f46e5;
      --accent-pink: #ec4899;
      --accent-yellow: #f59e0b;
      --accent-cyan: #06b6d4;
      --accent-green: #10b981;
      --accent-purple: #8b5cf6;
      
      --border-color: #e2e8f0;
      --shadow-sm: 0 4px 12px rgba(99, 102, 241, 0.06);
      --shadow-md: 0 10px 25px rgba(30, 31, 36, 0.08);
      --shadow-lg: 0 18px 40px rgba(99, 102, 241, 0.12);
      
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --radius-full: 9999px;
      --max-width: 1240px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background-color: var(--bg-main);
      color: var(--text-main);
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Layout Wrapper */
    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Graffiti Decorative Accents */
    .graffiti-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      font-size: 0.875rem;
      font-weight: 700;
      border-radius: var(--radius-full);
      background: #e0e7ff;
      color: var(--primary);
      border: 2px solid #c7d2fe;
      box-shadow: 3px 3px 0px rgba(99, 102, 241, 0.2);
    }
    .graffiti-tag.pink {
      background: #fce7f3;
      color: var(--accent-pink);
      border-color: #fbcfe8;
      box-shadow: 3px 3px 0px rgba(236, 72, 153, 0.2);
    }
    .graffiti-tag.cyan {
      background: #cffafe;
      color: #0891b2;
      border-color: #a5f3fc;
      box-shadow: 3px 3px 0px rgba(6, 182, 212, 0.2);
    }
    .graffiti-tag.yellow {
      background: #fef3c7;
      color: #d97706;
      border-color: #fde68a;
      box-shadow: 3px 3px 0px rgba(245, 158, 11, 0.2);
    }

    .section-header {
      text-align: center;
      margin-bottom: 48px;
    }
    .section-header h2 {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-top: 12px;
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-header p {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 680px;
      margin: 0 auto;
    }

    /* Standard Button Styles */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 32px;
      font-size: 1rem;
      font-weight: 700;
      border-radius: var(--radius-md);
      cursor: pointer;
      border: none;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      text-align: center;
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
      color: #ffffff;
      box-shadow: 0 8px 20px rgba(99, 102, 241, 0.35);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(99, 102, 241, 0.45);
    }
    .btn-secondary {
      background: #ffffff;
      color: var(--text-main);
      border: 2px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }
    .btn-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      transform: translateY(-2px);
    }
    .btn-accent {
      background: linear-gradient(135deg, var(--accent-pink) 0%, #db2777 100%);
      color: #ffffff;
      box-shadow: 0 8px 20px rgba(236, 72, 153, 0.35);
    }
    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(236, 72, 153, 0.45);
    }

    /* --------------------------------------------------
       Header & Navigation
       -------------------------------------------------- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 2px solid #eef2ff;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 80px;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }
    .ai-page-home-link {
      font-weight: 700;
      color: var(--primary);
      padding: 6px 14px;
      border-radius: var(--radius-full);
      background: #eef2ff;
      font-size: 0.9rem;
    }
    .ai-page-home-link:hover {
      background: var(--primary);
      color: #ffffff;
    }

    /* MANDATORY CONSTRAINT: .nav-links gap must be 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      padding: 10px 14px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
      display: block;
    }
    .nav-links li a:hover {
      color: var(--primary);
      background: #f5f7ff;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 8px;
    }

    /* --------------------------------------------------
       Hero Section (MANDATORY: NO IMAGES AT ALL IN HERO)
       -------------------------------------------------- */
    .hero-section {
      padding: 90px 0 70px;
      background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.08) 0%, transparent 40%),
                  var(--bg-main);
      position: relative;
      overflow: hidden;
      border-bottom: 2px dashed #e2e8f0;
    }
    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }
    .hero-badge-group {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 10px;
      margin-bottom: 24px;
    }
    .hero-title {
      font-size: 3rem;
      line-height: 1.25;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 24px;
      letter-spacing: -1px;
    }
    .hero-title span {
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent-pink) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.7;
    }
    .hero-cta-wrap {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .hero-tags-cloud {
      display: flex;
      align-items: center;
      justify-content: center;
      flex-wrap: wrap;
      gap: 8px;
      padding: 20px;
      background: rgba(255, 255, 255, 0.7);
      border: 2px solid #eef2ff;
      border-radius: var(--radius-md);
      backdrop-filter: blur(8px);
    }
    .hero-tags-cloud span {
      padding: 4px 12px;
      font-size: 0.85rem;
      font-weight: 600;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: var(--radius-sm);
      color: var(--text-muted);
    }

    /* --------------------------------------------------
       Data Metrics Cards Section
       -------------------------------------------------- */
    .metrics-section {
      padding: 60px 0;
      margin-top: -30px;
      position: relative;
      z-index: 10;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-card {
      background: var(--bg-card);
      padding: 28px 20px;
      border-radius: var(--radius-md);
      border: 2px solid #f1f5f9;
      box-shadow: var(--shadow-sm);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #c7d2fe;
    }
    .metric-num {
      font-size: 2.5rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
    }
    .metric-card:nth-child(2) .metric-num { color: var(--accent-pink); }
    .metric-card:nth-child(3) .metric-num { color: var(--accent-cyan); }
    .metric-card:nth-child(4) .metric-num { color: var(--accent-purple); }
    .metric-label {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .metric-sub {
      font-size: 0.825rem;
      color: var(--text-light);
    }

    /* --------------------------------------------------
       About Us & Platform Intro
       -------------------------------------------------- */
    .about-section {
      padding: 80px 0;
      background: #ffffff;
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .about-text h3 {
      font-size: 1.85rem;
      font-weight: 800;
      margin-bottom: 20px;
      line-height: 1.3;
    }
    .about-text p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }
    .about-features-list {
      list-style: none;
      margin-top: 24px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .about-features-list li {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .about-features-list li i {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: #dcfce7;
      color: var(--accent-green);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      font-style: normal;
      font-weight: 900;
    }
    .about-card-box {
      background: var(--bg-main);
      border: 3px solid #eef2ff;
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: 8px 8px 0px rgba(99, 102, 241, 0.15);
    }
    .about-card-title {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--primary);
    }

    /* --------------------------------------------------
       AIGC Services & Models
       -------------------------------------------------- */
    .services-section {
      padding: 80px 0;
      background: var(--bg-main);
    }
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      border: 2px solid #e2e8f0;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
    }
    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary);
    }
    .service-icon-badge {
      width: 56px;
      height: 56px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      margin-bottom: 20px;
      font-weight: 800;
    }
    .s-purple { background: #f3e8ff; color: var(--accent-purple); }
    .s-pink { background: #fce7f3; color: var(--accent-pink); }
    .s-cyan { background: #cffafe; color: var(--accent-cyan); }
    .s-yellow { background: #fef3c7; color: var(--accent-yellow); }
    .s-green { background: #dcfce7; color: var(--accent-green); }
    .s-indigo { background: #e0e7ff; color: var(--primary); }

    .service-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    /* Model Matrix Box */
    .models-matrix {
      margin-top: 48px;
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 32px;
      text-align: center;
    }
    .models-matrix h4 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .model-pills {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }
    .model-pill {
      background: #f8fafc;
      border: 1px solid #cbd5e1;
      padding: 6px 14px;
      border-radius: var(--radius-full);
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-main);
      transition: all 0.2s;
    }
    .model-pill:hover {
      background: var(--primary);
      color: #ffffff;
      border-color: var(--primary);
    }

    /* --------------------------------------------------
       One-Stop Production (Scene Showcase)
       -------------------------------------------------- */
    .production-section {
      padding: 80px 0;
      background: #ffffff;
    }
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scenario-item {
      background: var(--bg-main);
      border: 2px solid #f1f5f9;
      border-radius: var(--radius-md);
      padding: 24px 18px;
      transition: all 0.25s ease;
    }
    .scenario-item:hover {
      border-color: #c7d2fe;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }
    .scenario-tag {
      font-size: 0.75rem;
      font-weight: 800;
      text-transform: uppercase;
      padding: 2px 8px;
      border-radius: 4px;
      background: #e0e7ff;
      color: var(--primary);
      display: inline-block;
      margin-bottom: 10px;
    }
    .scenario-item h4 {
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .scenario-item p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* --------------------------------------------------
       Industry Solutions
       -------------------------------------------------- */
    .solutions-section {
      padding: 80px 0;
      background: var(--bg-main);
    }
    .solutions-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .solution-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 2px solid #e2e8f0;
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
    }
    .solution-card h3 {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--primary);
    }
    .solution-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    /* --------------------------------------------------
       Service Network
       -------------------------------------------------- */
    .network-section {
      padding: 80px 0;
      background: #ffffff;
    }
    .network-box {
      background: linear-gradient(135deg, #1e1f24 0%, #2a2c35 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      box-shadow: var(--shadow-lg);
    }
    .network-text h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }
    .network-text p {
      color: #a1a1aa;
      font-size: 1rem;
      margin-bottom: 24px;
    }
    .network-stats-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    .net-stat-item {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
    }
    .net-stat-item strong {
      display: block;
      font-size: 1.8rem;
      color: var(--accent-cyan);
      font-weight: 900;
    }
    .net-stat-item span {
      font-size: 0.85rem;
      color: #d4d4d8;
    }

    /* --------------------------------------------------
       Standard Process
       -------------------------------------------------- */
    .process-section {
      padding: 80px 0;
      background: var(--bg-main);
    }
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 32px 20px;
      position: relative;
      text-align: center;
    }
    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      font-size: 1.2rem;
      font-weight: 900;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      box-shadow: 0 4px 10px rgba(99, 102, 241, 0.3);
    }
    .step-card h3 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 10px;
    }
    .step-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    /* --------------------------------------------------
       Comparison & Review Section (MANDATORY RATING)
       -------------------------------------------------- */
    .comparison-section {
      padding: 80px 0;
      background: #ffffff;
    }
    .rating-banner {
      background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
      border: 3px solid #f59e0b;
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
      box-shadow: 6px 6px 0px rgba(245, 158, 11, 0.2);
    }
    .rating-info {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .rating-score {
      font-size: 3.5rem;
      font-weight: 900;
      color: #b45309;
      line-height: 1;
    }
    .rating-stars {
      color: #f59e0b;
      font-size: 1.5rem;
      letter-spacing: 2px;
    }
    .rating-title h3 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #78350f;
    }
    .rating-title p {
      font-size: 0.95rem;
      color: #92400e;
    }

    .table-responsive {
      overflow-x: auto;
      border-radius: var(--radius-md);
      border: 2px solid #e2e8f0;
      box-shadow: var(--shadow-sm);
    }
    .comp-table {
      width: 100%;
      border-collapse: collapse;
      background: #ffffff;
      text-align: left;
      min-width: 650px;
    }
    .comp-table th, .comp-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #e2e8f0;
    }
    .comp-table th {
      background: #f8fafc;
      font-weight: 800;
      color: var(--text-main);
      font-size: 0.95rem;
    }
    .comp-table th.highlight {
      background: #eef2ff;
      color: var(--primary);
    }
    .comp-table td.highlight {
      background: #f5f7ff;
      font-weight: 700;
      color: var(--primary);
    }

    /* --------------------------------------------------
       Token Price Comparison & Value
       -------------------------------------------------- */
    .token-section {
      padding: 80px 0;
      background: var(--bg-main);
    }
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 2px solid #e2e8f0;
      padding: 32px 24px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
    }
    .token-card.popular {
      border-color: var(--primary);
      box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15);
    }
    .popular-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--primary);
      color: #ffffff;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 16px;
      border-radius: var(--radius-full);
    }
    .token-card h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 12px;
    }
    .token-price {
      font-size: 2.25rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 16px;
    }
    .token-price span {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* --------------------------------------------------
       Requirement Matching / Forms (?s=index/submitForm)
       -------------------------------------------------- */
    .matching-section {
      padding: 80px 0;
      background: #ffffff;
    }
    .form-wrapper {
      max-width: 800px;
      margin: 0 auto;
      background: var(--bg-main);
      border: 3px solid #eef2ff;
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .form-group.full {
      grid-column: span 2;
    }
    .form-group label {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .form-control {
      padding: 12px 16px;
      border: 2px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      background: #ffffff;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: var(--primary);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    /* --------------------------------------------------
       Case Center
       -------------------------------------------------- */
    .cases-section {
      padding: 80px 0;
      background: var(--bg-main);
    }
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .case-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 2px solid #e2e8f0;
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s;
    }
    .case-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .case-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #e2e8f0;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .case-body {
      padding: 20px;
    }
    .case-body h3 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .case-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    /* --------------------------------------------------
       Franchise & Agency
       -------------------------------------------------- */
    .agency-section {
      padding: 80px 0;
      background: #ffffff;
    }
    .agency-box {
      background: linear-gradient(135deg, #eef2ff 0%, #fae8ff 100%);
      border: 3px solid #c7d2fe;
      border-radius: var(--radius-lg);
      padding: 48px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .agency-content h3 {
      font-size: 2rem;
      font-weight: 900;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .agency-content p {
      font-size: 1rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    /* --------------------------------------------------
       Customer Reviews (6 Items Mandatory)
       -------------------------------------------------- */
    .reviews-section {
      padding: 80px 0;
      background: var(--bg-main);
    }
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .review-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .avatar-placeholder {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
    }
    .review-author h4 {
      font-size: 1rem;
      font-weight: 800;
    }
    .review-author span {
      font-size: 0.8rem;
      color: var(--text-light);
    }
    .review-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* --------------------------------------------------
       AI Encyclopedia & Industry News
       -------------------------------------------------- */
    .news-section {
      padding: 80px 0;
      background: #ffffff;
    }
    .news-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .news-block {
      background: var(--bg-main);
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 28px;
    }
    .news-block h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .news-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .news-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px dashed #cbd5e1;
      padding-bottom: 10px;
    }
    .news-list li a {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }
    .news-list li a:hover {
      color: var(--primary);
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* --------------------------------------------------
       FAQ Accordion Section (≥10 Items Visible)
       -------------------------------------------------- */
    .faq-section {
      padding: 80px 0;
      background: var(--bg-main);
    }
    .faq-accordion {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item.active {
      border-color: var(--primary);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }
    .faq-question::after {
      content: '+';
      font-size: 1.4rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.2s;
    }
    .faq-item.active .faq-question::after {
      content: '-';
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: #fafafa;
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.6;
    }
    .faq-item.active .faq-answer {
      max-height: 250px;
      padding: 0 24px 20px;
      border-top: 1px solid #f1f5f9;
    }

    /* --------------------------------------------------
       Contact Us Section
       -------------------------------------------------- */
    .contact-section {
      padding: 80px 0;
      background: #ffffff;
    }
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
    }
    .contact-info-card {
      background: var(--bg-main);
      border: 2px solid #e2e8f0;
      border-radius: var(--radius-md);
      padding: 36px;
    }
    .contact-info-card h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 24px;
    }
    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 16px;
      margin-bottom: 20px;
    }
    .contact-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: #e0e7ff;
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1rem;
      flex-shrink: 0;
    }
    .contact-detail h4 {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 2px;
    }
    .contact-detail p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .qr-box {
      margin-top: 24px;
      padding-top: 20px;
      border-top: 2px dashed #cbd5e1;
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .qr-box img {
      width: 110px;
      height: 110px;
      border-radius: var(--radius-sm);
      border: 2px solid #e2e8f0;
    }
    .qr-desc h5 {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 4px;
    }
    .qr-desc p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* --------------------------------------------------
       Footer (Aligned, Explicit Style & Friend Links)
       -------------------------------------------------- */
    .site-footer {
      background: #18181b;
      color: #a1a1aa;
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 800;
      margin-bottom: 20px;
    }
    .footer-col p {
      font-size: 0.875rem;
      line-height: 1.6;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links li a {
      color: #a1a1aa;
      font-size: 0.875rem;
    }
    .footer-links li a:hover {
      color: #ffffff;
    }

    .friend-links-wrap {
      border-top: 1px solid #27272a;
      padding-top: 24px;
      margin-bottom: 24px;
      text-align: center;
    }
    .friend-links-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: #71717a;
      margin-bottom: 12px;
    }
    .friend-links-list {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
    }
    .friend-links-list a {
      color: #a1a1aa;
      font-size: 0.85rem;
    }
    .friend-links-list a:hover {
      color: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid #27272a;
      padding-top: 24px;
      text-align: center;
      font-size: 0.85rem;
      color: #71717a;
    }

    /* Floating Widget */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 24px;
      z-index: 999;
      background: var(--primary);
      color: #ffffff;
      padding: 12px 20px;
      border-radius: var(--radius-full);
      box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      cursor: pointer;
      transition: transform 0.2s;
    }
    .floating-kefu:hover {
      transform: scale(1.05);
    }

    /* --------------------------------------------------
       Responsive Breakpoints
       -------------------------------------------------- */
    @media (max-width: 1024px) {
      .metrics-grid, .scenarios-grid, .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid, .solutions-grid, .cases-grid, .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid, .network-box, .agency-box, .contact-grid, .news-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.1rem;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        border-bottom: 2px solid #eef2ff;
      }
      .nav-links.active {
        display: flex;
      }
      .mobile-menu-btn {
        display: block;
      }
      .metrics-grid, .services-grid, .scenarios-grid, .solutions-grid, .token-grid, .cases-grid, .reviews-grid, .process-steps {
        grid-template-columns: 1fr;
      }
      .form-grid {
        grid-template-columns: 1fr;
      }
      .form-group.full {
        grid-column: span 1;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }