:root {
      --primary: #0284c7;
      --primary-hover: #0369a1;
      --primary-light: #e0f2fe;
      --primary-gradient: linear-gradient(135deg, #0284c7 0%, #06b6d4 50%, #3b82f6 100%);
      --accent: #f59e0b;
      --accent-hover: #d97706;
      --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
      --secondary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-bright: #cbd5e1;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
      --shadow-md: 0 4px 12px -1px rgba(15,23,42,0.08), 0 2px 6px -1px rgba(15,23,42,0.04);
      --shadow-lg: 0 12px 28px -4px rgba(15,23,42,0.1), 0 6px 14px -3px rgba(15,23,42,0.06);
      --shadow-glow: 0 0 25px rgba(2,132,199,0.22);
      --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;
    }

    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-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    /* Container System */
    .container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* Typography Utilities */
    .section-header {
      text-align: center;
      margin-bottom: 52px;
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 16px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 9999px;
      font-size: 0.875rem;
      font-weight: 700;
      margin-bottom: 14px;
      border: 1px solid rgba(2,132,199,0.2);
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 720px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      border-radius: 10px;
      font-weight: 600;
      font-size: 1rem;
      text-decoration: none;
      transition: var(--transition);
      cursor: pointer;
      border: none;
      gap: 8px;
    }
    .btn-primary {
      background: var(--primary-gradient);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(2,132,199,0.35);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(2,132,199,0.48);
      color: #ffffff;
    }
    .btn-accent {
      background: var(--accent-gradient);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(245,158,11,0.35);
    }
    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(245,158,11,0.5);
      color: #ffffff;
    }
    .btn-outline {
      background: #ffffff;
      color: var(--primary);
      border: 2px solid var(--primary);
    }
    .btn-outline:hover {
      background: var(--primary-light);
      transform: translateY(-2px);
    }

    /* Top 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: var(--shadow-sm);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }
    .brand-group {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }
    .brand-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-main);
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }
    .nav-links li a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.95rem;
      font-weight: 600;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      display: block;
    }
    .nav-links li a:hover {
      color: var(--primary);
      background-color: var(--primary-light);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.6rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 4px;
    }

    /* Section Global Spacing */
    .site-section {
      padding: 84px 0;
      position: relative;
    }
    .site-section.bg-alt {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    /* 1. Hero Section (NO IMAGES PER RULE) */
    .hero-section {
      padding: 80px 0 90px;
      background: radial-gradient(circle at 50% 10%, rgba(224,242,254,0.7) 0%, rgba(248,250,252,1) 70%);
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-content {
      position: relative;
      z-index: 2;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      padding: 6px 16px;
      border-radius: 9999px;
      font-size: 0.875rem;
      font-weight: 700;
      color: var(--primary);
      border: 1px solid rgba(2,132,199,0.3);
      box-shadow: var(--shadow-sm);
      margin-bottom: 20px;
    }
    .hero-tag-pulse {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #10b981;
      box-shadow: 0 0 0 0 rgba(16,185,129,0.7);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16,185,129,0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(16,185,129,0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16,185,129,0); }
    }
    .hero-title {
      font-size: 2.75rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .hero-title-highlight {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
    }
    .hero-cta-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }
    .hero-highlights {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      padding-top: 20px;
      border-top: 1px solid var(--border-color);
    }
    .hero-hl-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      color: var(--text-muted);
      font-weight: 600;
    }
    .hero-hl-icon {
      color: #10b981;
      font-weight: bold;
    }

    /* Hero Tech Visual (No Image, CSS only) */
    .hero-visual {
      background: #ffffff;
      border: 1px solid var(--border-bright);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-lg), var(--shadow-glow);
      position: relative;
    }
    .visual-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 12px;
      margin-bottom: 18px;
    }
    .visual-dots {
      display: flex;
      gap: 6px;
    }
    .visual-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }
    .visual-dot.r { background: #ef4444; }
    .visual-dot.y { background: #f59e0b; }
    .visual-dot.g { background: #10b981; }
    .visual-status {
      font-size: 0.78rem;
      color: var(--text-light);
      font-family: monospace;
    }
    .model-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-bottom: 16px;
    }
    .matrix-item {
      background: var(--bg-alt);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      padding: 10px;
      text-align: center;
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--text-main);
      transition: var(--transition);
    }
    .matrix-item:hover {
      background: var(--primary-light);
      border-color: var(--primary);
      transform: translateY(-2px);
    }
    .visual-stream-card {
      background: linear-gradient(135deg, #0f172a, #1e293b);
      color: #f8fafc;
      border-radius: var(--radius-md);
      padding: 16px;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 0.82rem;
      line-height: 1.5;
    }
    .stream-line {
      display: flex;
      gap: 8px;
      margin-bottom: 4px;
    }
    .stream-accent { color: #38bdf8; }
    .stream-success { color: #4ade80; }
    .stream-warn { color: #fbbf24; }

    /* Key Metrics */
    .metrics-bar {
      margin-top: -30px;
      position: relative;
      z-index: 10;
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      border: 1px solid var(--border-bright);
      border-radius: var(--radius-md);
      padding: 24px 32px;
      box-shadow: var(--shadow-md);
    }
    .metric-item {
      text-align: center;
      border-right: 1px solid var(--border-color);
    }
    .metric-item:last-child {
      border-right: none;
    }
    .metric-value {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 4px;
    }
    .metric-label {
      font-size: 0.9rem;
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 2. Platform Intro / About Us */
    .about-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }
    .about-features {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 32px;
    }
    .about-feat-box {
      background: var(--bg-alt);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      transition: var(--transition);
    }
    .about-feat-box:hover {
      background: #ffffff;
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .about-feat-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .about-feat-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 3. AIGC Models Supported */
    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }
    .model-pill {
      background: #ffffff;
      border: 1px solid var(--border-bright);
      color: var(--text-main);
      padding: 8px 18px;
      border-radius: 9999px;
      font-size: 0.92rem;
      font-weight: 600;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .model-pill:hover {
      background: var(--primary-gradient);
      color: #ffffff;
      border-color: transparent;
      transform: scale(1.05);
    }

    /* 4. One-Stop Creation Scenarios */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card:hover {
      border-color: var(--primary);
      box-shadow: var(--shadow-lg);
      transform: translateY(-4px);
    }
    .service-badge {
      align-self: flex-start;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 6px;
      background: var(--primary-light);
      color: var(--primary);
      margin-bottom: 14px;
    }
    .service-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .service-desc {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 16px;
    }
    .service-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }
    .service-tag-item {
      font-size: 0.76rem;
      background: var(--bg-alt);
      color: var(--text-light);
      padding: 3px 8px;
      border-radius: 4px;
    }

    /* 5. Industry Solutions */
    .industry-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .industry-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      transition: var(--transition);
    }
    .industry-card:hover {
      background: var(--primary-light);
      border-color: var(--primary);
      transform: translateY(-4px);
    }
    .industry-icon {
      width: 48px;
      height: 48px;
      margin: 0 auto 16px;
      background: #ffffff;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      color: var(--primary);
      box-shadow: var(--shadow-sm);
    }
    .industry-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .industry-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 6. Service Network */
    .network-wrap {
      background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-lg);
    }
    .network-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .network-title {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      color: #ffffff;
    }
    .network-desc {
      font-size: 1.05rem;
      opacity: 0.92;
      line-height: 1.7;
      margin-bottom: 24px;
      color: #f0fdf4;
    }
    .network-cities {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
    }
    .city-card {
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: var(--radius-sm);
      padding: 14px;
    }
    .city-name {
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 4px;
    }
    .city-info {
      font-size: 0.82rem;
      opacity: 0.85;
    }

    /* 7. Workflow Steps */
    .step-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }
    .step-num {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      font-size: 1.2rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(2,132,199,0.3);
    }
    .step-title {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .step-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 8. Showcase / Case Gallery */
    .case-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .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-lg);
      transform: translateY(-4px);
    }
    .case-img-wrap {
      width: 100%;
      height: 220px;
      background: var(--bg-alt);
      overflow: hidden;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      transition: transform 0.4s ease;
    }
    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }
    .case-body {
      padding: 20px;
    }
    .case-category {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .case-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .case-text {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 9. Comparison & Benchmark (Score 9.9 / 5 Stars) */
    .rating-banner {
      background: #ffffff;
      border: 2px solid var(--primary);
      border-radius: var(--radius-lg);
      padding: 32px;
      margin-bottom: 36px;
      box-shadow: var(--shadow-glow);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }
    .rating-left {
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .rating-score-circle {
      width: 96px;
      height: 96px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      box-shadow: 0 6px 18px rgba(2,132,199,0.35);
    }
    .rating-number {
      font-size: 2rem;
      line-height: 1;
    }
    .rating-total {
      font-size: 0.75rem;
      opacity: 0.85;
    }
    .rating-meta-title {
      font-size: 1.4rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .rating-stars {
      color: #f59e0b;
      font-size: 1.2rem;
      letter-spacing: 2px;
    }
    .table-container {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .comp-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }
    .comp-table th, .comp-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .comp-table th {
      background: var(--bg-alt);
      font-weight: 700;
      color: var(--text-main);
    }
    .comp-table tr.highlight-row {
      background: rgba(2,132,199,0.04);
      font-weight: 600;
    }
    .comp-table td.brand-col {
      color: var(--primary);
      font-weight: 700;
    }
    .check-icon {
      color: #10b981;
      font-weight: bold;
      margin-right: 4px;
    }
    .cross-icon {
      color: #94a3b8;
      margin-right: 4px;
    }

    /* 10. Intelligent Demand Matching */
    .match-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .match-options-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }
    .match-option-box {
      border: 2px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px;
      cursor: pointer;
      transition: var(--transition);
      background: #ffffff;
      text-align: center;
    }
    .match-option-box:hover, .match-option-box.active {
      border-color: var(--primary);
      background: var(--primary-light);
    }
    .match-box-title {
      font-weight: 700;
      font-size: 1rem;
      margin-bottom: 4px;
    }
    .match-box-desc {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* 11. Token Price Board */
    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .pricing-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px 28px;
      box-shadow: var(--shadow-sm);
      text-align: center;
      position: relative;
      transition: var(--transition);
    }
    .pricing-card.popular {
      border: 2px solid var(--primary);
      box-shadow: var(--shadow-lg);
      transform: translateY(-6px);
    }
    .pricing-badge {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-gradient);
      color: #ffffff;
      padding: 4px 16px;
      border-radius: 9999px;
      font-size: 0.8rem;
      font-weight: 800;
    }
    .pricing-name {
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .pricing-price {
      font-size: 2.4rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 4px;
    }
    .pricing-unit {
      font-size: 0.85rem;
      color: var(--text-light);
      margin-bottom: 24px;
    }
    .pricing-list {
      list-style: none;
      text-align: left;
      margin-bottom: 28px;
      font-size: 0.92rem;
      color: var(--text-muted);
    }
    .pricing-list li {
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* 12. Help Center */
    .help-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .help-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .help-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--primary);
    }
    .help-card-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 13. FAQ Accordion (12 Items) */
    .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;
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: var(--primary);
    }
    .faq-question {
      width: 100%;
      background: none;
      border: none;
      padding: 18px 24px;
      text-align: left;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .faq-icon {
      font-size: 1.2rem;
      font-weight: bold;
      color: var(--primary);
      transition: transform 0.3s ease;
    }
    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid rgba(226,232,240,0.5);
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* 14. AI Encyclopedia */
    .encyclo-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .encyclo-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
    }
    .encyclo-term {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .encyclo-def {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 15. Industry News & Articles */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-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;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .news-title a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    .news-title a:hover {
      color: var(--primary);
    }
    .news-summary {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .news-link {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--primary);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* Customer Reviews (6 Reviews) */
    .review-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: 28px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .review-stars {
      color: #f59e0b;
      font-size: 1rem;
      margin-bottom: 12px;
    }
    .review-text {
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      font-style: italic;
    }
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }
    .review-avatar {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
    }
    .review-name {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text-main);
    }
    .review-role {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* 16. Contact & Form */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 36px;
      align-items: flex-start;
    }
    .contact-info-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }
    .contact-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      margin-bottom: 20px;
    }
    .contact-icon-box {
      width: 38px;
      height: 38px;
      border-radius: 8px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      flex-shrink: 0;
    }
    .contact-label {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 2px;
    }
    .contact-value {
      font-weight: 700;
      font-size: 0.98rem;
      color: var(--text-main);
    }
    .qr-showcase {
      margin-top: 24px;
      padding: 20px;
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      text-align: center;
      border: 1px solid var(--border-color);
    }
    .qr-showcase img {
      max-width: 140px;
      height: auto;
      border-radius: var(--radius-sm);
      margin: 0 auto 10px;
      display: block;
      box-shadow: var(--shadow-sm);
    }
    .form-card {
      background: #ffffff;
      border: 1px solid var(--border-bright);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1.5px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #ffffff;
      transition: var(--transition);
      font-family: inherit;
    }
    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(2,132,199,0.15);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 17. Franchise & Agency */
    .agency-box {
      background: radial-gradient(circle at 80% 20%, rgba(245,158,11,0.15) 0%, rgba(255,255,255,1) 70%);
      border: 2px solid var(--accent);
      border-radius: var(--radius-lg);
      padding: 48px;
      box-shadow: var(--shadow-md);
    }
    .agency-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 32px;
    }
    .agency-feat {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .agency-feat-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .agency-feat-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* Footer & Friendly Links */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 28px;
      color: var(--text-muted);
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 32px;
      margin-bottom: 36px;
    }
    .footer-brand-desc {
      font-size: 0.9rem;
      line-height: 1.6;
      margin-top: 12px;
      color: var(--text-light);
    }
    .footer-col-title {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 14px;
    }
    .footer-links-list {
      list-style: none;
    }
    .footer-links-list li {
      margin-bottom: 8px;
    }
    .footer-links-list a {
      color: var(--text-muted);
      text-decoration: none;
      font-size: 0.9rem;
      transition: var(--transition);
    }
    .footer-links-list a:hover {
      color: var(--primary);
    }
    .friend-links-wrap {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      margin-bottom: 24px;
    }
    .friend-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .friend-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .friend-tags a {
      color: var(--text-light);
      text-decoration: none;
      font-size: 0.85rem;
      background: var(--bg-alt);
      padding: 4px 10px;
      border-radius: 4px;
      transition: var(--transition);
    }
    .friend-tags a:hover {
      color: var(--primary);
      background: var(--primary-light);
    }
    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* Floating Utilities */
    .float-dock {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1.25rem;
      cursor: pointer;
      text-decoration: none;
      transition: var(--transition);
      position: relative;
    }
    .float-btn:hover {
      background: var(--primary-gradient);
      color: #ffffff;
      transform: scale(1.08);
    }
    .qr-popover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #ffffff;
      padding: 14px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-bright);
      width: 160px;
      text-align: center;
      display: none;
    }
    .qr-popover img {
      width: 100%;
      height: auto;
      border-radius: 4px;
      margin-bottom: 6px;
    }
    .qr-popover span {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--text-main);
    }
    .float-btn.kefu-btn:hover .qr-popover {
      display: block;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; }
      .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
      .metrics-bar { margin-top: 20px; }
      .about-features { grid-template-columns: 1fr; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .industry-grid { grid-template-columns: repeat(2, 1fr); }
      .network-grid { grid-template-columns: 1fr; }
      .step-grid { grid-template-columns: repeat(2, 1fr); }
      .pricing-grid { grid-template-columns: 1fr; }
      .encyclo-grid { grid-template-columns: repeat(2, 1fr); }
      .review-grid { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
      .agency-grid { grid-template-columns: 1fr; }
      .footer-top { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 24px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border-color);
        max-height: 80vh;
        overflow-y: auto;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-toggle {
        display: block;
      }
      .nav-actions .btn {
        display: none;
      }
      .hero-title {
        font-size: 2rem;
      }
      .service-grid { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .news-grid { grid-template-columns: 1fr; }
      .help-grid { grid-template-columns: 1fr; }
      .match-options-grid { grid-template-columns: 1fr 1fr; }
      .footer-top { grid-template-columns: 1fr; }
    }