:root {
      --primary: #5c24ff;
      --primary-dark: #4010d4;
      --secondary: #ff3366;
      --accent: #00d2ff;
      --accent-warm: #ffaa00;
      --bg-main: #faf9fe;
      --bg-surface: #ffffff;
      --bg-subtle: #f3f0fc;
      --text-dark: #1e1b2e;
      --text-muted: #5e5a73;
      --text-light: #8f8ba3;
      --border: #e9e4f5;
      --border-accent: rgba(92, 36, 255, 0.15);
      --gradient-pop: linear-gradient(135deg, #ff3366 0%, #ff6b3d 40%, #ffbc00 100%);
      --gradient-cool: linear-gradient(135deg, #5c24ff 0%, #7d44ff 50%, #00d2ff 100%);
      --gradient-hero: linear-gradient(180deg, #f7f4ff 0%, #ffffff 100%);
      --shadow-sm: 0 4px 12px rgba(30, 27, 46, 0.04);
      --shadow-md: 0 8px 24px rgba(92, 36, 255, 0.08);
      --shadow-hover: 0 16px 36px rgba(92, 36, 255, 0.14);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-full: 9999px;
    }

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

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

    ul, ol {
      list-style: none;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* Header & Navigation */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      transition: box-shadow 0.3s ease;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-wrap .ai-page-logo {
      height: 38px;
      width: auto;
      object-fit: contain;
    }
    .brand-title {
      font-size: 20px;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: var(--gradient-cool);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }
    .nav-links a {
      padding: 8px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: var(--radius-full);
      transition: all 0.2s ease;
      white-space: nowrap;
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
      background: rgba(92, 36, 255, 0.07);
    }
    .header-cta-group {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-full);
      border: 1px solid transparent;
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
      text-align: center;
    }
    .btn-primary {
      background: var(--gradient-cool);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(92, 36, 255, 0.3);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(92, 36, 255, 0.45);
    }
    .btn-pop {
      background: var(--gradient-pop);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(255, 51, 102, 0.3);
    }
    .btn-pop:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 51, 102, 0.45);
    }
    .btn-outline {
      border-color: var(--border);
      color: var(--text-dark);
      background: #ffffff;
    }
    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(92, 36, 255, 0.04);
    }
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--text-dark);
    }

    /* Common Section */
    section {
      padding: 72px 0;
      position: relative;
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 48px;
    }
    .badge-pop {
      display: inline-block;
      padding: 5px 14px;
      font-size: 13px;
      font-weight: 700;
      color: #ffffff;
      background: var(--gradient-pop);
      border-radius: var(--radius-full);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      box-shadow: 0 3px 10px rgba(255, 51, 102, 0.25);
    }
    .badge-cool {
      display: inline-block;
      padding: 5px 14px;
      font-size: 13px;
      font-weight: 700;
      color: #ffffff;
      background: var(--gradient-cool);
      border-radius: var(--radius-full);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      box-shadow: 0 3px 10px rgba(92, 36, 255, 0.25);
    }
    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
      line-height: 1.3;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Hero Section (No Image strictly obeyed) */
    .hero-section {
      background: var(--gradient-hero);
      padding: 88px 0 68px;
      border-bottom: 1px solid var(--border);
      position: relative;
      overflow: hidden;
    }
    .hero-glow-1 {
      position: absolute;
      top: -80px;
      left: 10%;
      width: 380px;
      height: 380px;
      background: radial-gradient(circle, rgba(92, 36, 255, 0.12) 0%, rgba(255,255,255,0) 70%);
      pointer-events: none;
    }
    .hero-glow-2 {
      position: absolute;
      top: 40px;
      right: 8%;
      width: 440px;
      height: 440px;
      background: radial-gradient(circle, rgba(255, 51, 102, 0.1) 0%, rgba(255,255,255,0) 70%);
      pointer-events: none;
    }
    .hero-content {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
      position: relative;
      z-index: 2;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid var(--border-accent);
      border-radius: var(--radius-full);
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }
    .hero-badge span {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: #00d2ff;
      border-radius: 50%;
      animation: pulseDot 2s infinite ease-in-out;
    }
    @keyframes pulseDot {
      0%, 100% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.6); opacity: 0.5; }
    }
    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -1px;
      margin-bottom: 20px;
      color: var(--text-dark);
    }
    .hero-title .highlight-text {
      background: var(--gradient-pop);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-block;
    }
    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 740px;
      margin: 0 auto 36px;
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 48px;
    }
    .btn-hero-official {
      padding: 14px 34px;
      font-size: 16px;
      font-weight: 700;
      border-radius: var(--radius-full);
      background: var(--gradient-pop);
      color: #ffffff;
      box-shadow: 0 8px 24px rgba(255, 51, 102, 0.35);
      border: none;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }
    .btn-hero-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(255, 51, 102, 0.5);
    }
    .btn-hero-secondary {
      padding: 14px 28px;
      font-size: 16px;
      font-weight: 600;
      border-radius: var(--radius-full);
      background: #ffffff;
      color: var(--text-dark);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }
    .btn-hero-secondary:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(92, 36, 255, 0.04);
    }
    .hero-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 16px;
    }
    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, border-color 0.25s ease;
    }
    .metric-card:hover {
      transform: translateY(-4px);
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }
    .metric-number {
      font-size: 28px;
      font-weight: 800;
      background: var(--gradient-cool);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 4px;
    }
    .metric-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* Model Pill Bar */
    .model-pills-bar {
      background: #ffffff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
      padding: 18px 0;
      overflow: hidden;
    }
    .pills-title {
      font-size: 13px;
      font-weight: 700;
      color: var(--text-light);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      text-align: center;
    }
    .pills-track {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px 10px;
    }
    .model-pill {
      font-size: 12px;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: var(--radius-full);
      background: var(--bg-subtle);
      color: var(--text-muted);
      border: 1px solid var(--border);
      transition: all 0.2s ease;
    }
    .model-pill:hover {
      background: #ffffff;
      color: var(--primary);
      border-color: var(--primary);
      transform: translateY(-1px);
    }

    /* About Section */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .about-badge-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      margin-top: 24px;
    }
    .about-badge-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 18px;
      box-shadow: var(--shadow-sm);
    }
    .about-badge-card h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .about-badge-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .about-visual-panel {
      background: linear-gradient(135deg, #f7f2ff 0%, #fff0f5 100%);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .about-core-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-accent);
      margin-bottom: 16px;
    }
    .about-core-card:last-child {
      margin-bottom: 0;
    }
    .about-core-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 8px;
    }
    .about-core-card p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* Services Grid */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(92, 36, 255, 0.3);
    }
    .service-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 18px;
    }
    .icon-pop { background: rgba(255, 51, 102, 0.1); color: var(--secondary); }
    .icon-cool { background: rgba(92, 36, 255, 0.1); color: var(--primary); }
    .icon-teal { background: rgba(0, 210, 255, 0.12); color: #009dbf; }
    .icon-warm { background: rgba(255, 170, 0, 0.15); color: #c97f00; }
    .service-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .service-text {
      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: var(--bg-subtle);
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    /* Workflow & Step Process */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }
    .process-step {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 22px 18px;
      text-align: center;
      position: relative;
      box-shadow: var(--shadow-sm);
    }
    .step-number {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--gradient-cool);
      color: #ffffff;
      font-weight: 800;
      font-size: 14px;
      margin-bottom: 12px;
    }
    .process-step h4 {
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .process-step p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Industry Solutions (Rich Scenarios) */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .scenario-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      transition: all 0.2s ease;
    }
    .scenario-card:hover {
      border-color: var(--secondary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .scenario-tag {
      font-size: 11px;
      font-weight: 700;
      color: var(--secondary);
      text-transform: uppercase;
      margin-bottom: 8px;
    }
    .scenario-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 8px;
    }
    .scenario-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* Service Network */
    .network-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
    }
    .network-info h3 {
      font-size: 24px;
      font-weight: 800;
      margin-bottom: 14px;
    }
    .network-info p {
      font-size: 15px;
      color: var(--text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }
    .network-nodes {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .node-item {
      background: #ffffff;
      border: 1px solid var(--border);
      padding: 16px;
      border-radius: var(--radius-md);
    }
    .node-item strong {
      display: block;
      color: var(--primary);
      font-size: 15px;
      margin-bottom: 4px;
    }
    .node-item span {
      font-size: 13px;
      color: var(--text-muted);
    }

    /* Comparison & Evaluation Section */
    .eval-box {
      background: #ffffff;
      border: 2px solid var(--primary);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
      margin-bottom: 36px;
      position: relative;
    }
    .eval-top-strip {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      border-bottom: 1px solid var(--border);
      padding-bottom: 24px;
      margin-bottom: 28px;
    }
    .eval-score-badge {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .score-circle {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      background: var(--gradient-pop);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      box-shadow: 0 4px 16px rgba(255, 51, 102, 0.4);
    }
    .score-circle .big-num {
      font-size: 24px;
      font-weight: 900;
      line-height: 1;
    }
    .score-circle .max-num {
      font-size: 10px;
      opacity: 0.9;
    }
    .eval-stars-text h4 {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 4px;
    }
    .eval-stars {
      color: #ffaa00;
      font-size: 16px;
      letter-spacing: 2px;
    }
    .eval-metrics-note {
      font-size: 14px;
      color: var(--text-muted);
    }
    .eval-table-wrap {
      overflow-x: auto;
      margin-bottom: 20px;
    }
    .eval-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .eval-table th {
      background: var(--bg-subtle);
      padding: 14px 18px;
      font-weight: 700;
      color: var(--text-dark);
      border-bottom: 1px solid var(--border);
    }
    .eval-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border);
      color: var(--text-muted);
      vertical-align: middle;
    }
    .eval-table tr:hover td {
      background: rgba(92, 36, 255, 0.02);
    }
    .eval-table .highlight-col {
      color: var(--primary);
      font-weight: 700;
      background: rgba(92, 36, 255, 0.04);
    }

    /* Cases & Visual Center */
    .case-gallery {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 32px;
    }
    .case-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease;
    }
    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
    }
    .case-img-wrap {
      width: 100%;
      aspect-ratio: 16 / 9;
      background: #f0ecf9;
      overflow: hidden;
    }
    .case-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.35s ease;
    }
    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }
    .case-body {
      padding: 22px;
    }
    .case-tag {
      display: inline-block;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      background: rgba(92, 36, 255, 0.08);
      color: var(--primary);
      border-radius: 4px;
      margin-bottom: 8px;
    }
    .case-body h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }
    .case-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Token Price & Rate Table */
    .token-table-wrap {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .token-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
      min-width: 600px;
    }
    .token-table th {
      background: var(--bg-subtle);
      padding: 16px 20px;
      font-weight: 700;
      color: var(--text-dark);
      border-bottom: 1px solid var(--border);
      text-align: left;
    }
    .token-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
      color: var(--text-muted);
    }
    .token-price-pop {
      font-weight: 800;
      color: var(--secondary);
      font-size: 15px;
    }
    .token-status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: #00aa66;
      font-weight: 600;
    }
    .token-status::before {
      content: "";
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #00aa66;
    }

    /* Demand Matching & Form */
    .demand-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 40px;
      align-items: flex-start;
    }
    .demand-intro h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 14px;
      line-height: 1.35;
    }
    .demand-intro p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .demand-perks {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .demand-perk-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }
    .perk-bullet {
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: var(--gradient-pop);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      font-weight: 800;
      margin-top: 3px;
      flex-shrink: 0;
    }
    .perk-text strong {
      display: block;
      font-size: 14px;
      color: var(--text-dark);
    }
    .perk-text span {
      font-size: 13px;
      color: var(--text-muted);
    }
    .form-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }
    .form-card h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 6px;
    }
    .form-card .form-subtitle {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text-dark);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      font-size: 14px;
      color: var(--text-dark);
      background: #faf9fe;
      outline: none;
      transition: all 0.2s ease;
      font-family: inherit;
    }
    .form-control:focus {
      background: #ffffff;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(92, 36, 255, 0.1);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* Testimonials (6 reviews required) */
    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .testimonial-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-content {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      position: relative;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border);
      padding-top: 14px;
    }
    .testi-avatar-fallback {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--gradient-cool);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 16px;
      flex-shrink: 0;
    }
    .testi-author-info h4 {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.3;
    }
    .testi-author-info p {
      font-size: 12px;
      color: var(--text-light);
    }

    /* FAQ Section */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      transition: border-color 0.2s ease;
    }
    .faq-item.active {
      border-color: var(--primary);
    }
    .faq-question {
      width: 100%;
      text-align: left;
      padding: 18px 24px;
      background: none;
      border: none;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-dark);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }
    .faq-icon {
      font-size: 18px;
      color: var(--primary);
      transition: transform 0.25s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
      background: #faf9fe;
    }
    .faq-item.active .faq-answer {
      max-height: 280px;
      padding: 16px 24px 20px;
    }
    .faq-answer p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* AI Encyclopedia & Knowledge Section */
    .wiki-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .wiki-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }
    .wiki-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .wiki-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Agency & Franchise Section */
    .agency-banner {
      background: linear-gradient(135deg, #2a1068 0%, #17073b 100%);
      border-radius: var(--radius-lg);
      padding: 48px 40px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
      align-items: center;
      box-shadow: 0 16px 40px rgba(42, 16, 104, 0.25);
    }
    .agency-banner h3 {
      font-size: 28px;
      font-weight: 800;
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .agency-banner p {
      font-size: 15px;
      opacity: 0.88;
      line-height: 1.65;
      margin-bottom: 24px;
    }
    .agency-benefits {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-bottom: 24px;
    }
    .agency-pill {
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      padding: 8px 12px;
      font-size: 13px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .agency-box-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      padding: 28px;
      color: var(--text-dark);
      text-align: center;
    }
    .agency-box-card h4 {
      font-size: 18px;
      font-weight: 800;
      margin-bottom: 8px;
    }
    .agency-box-card p {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    /* Articles Section */
    .articles-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 28px;
    }
    .article-main-box {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .article-links-box {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .article-links-box h4 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 16px;
      color: var(--text-dark);
    }
    .article-links-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .article-links-list a {
      font-size: 13px;
      color: var(--primary);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      background: var(--bg-subtle);
      transition: all 0.2s ease;
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .article-links-list a:hover {
      background: rgba(92, 36, 255, 0.1);
      transform: translateX(4px);
    }

    /* Contact & Social Section */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 32px;
      align-items: center;
    }
    .contact-channels {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .contact-card {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
    }
    .contact-card strong {
      display: block;
      font-size: 13px;
      color: var(--text-light);
      margin-bottom: 4px;
    }
    .contact-card .contact-val {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-dark);
      word-break: break-all;
    }
    .contact-qr-panel {
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px;
      text-align: center;
      box-shadow: var(--shadow-md);
    }
    .qr-container {
      width: 160px;
      height: 160px;
      margin: 0 auto 16px;
      padding: 8px;
      border: 1px dashed var(--primary);
      border-radius: var(--radius-md);
      background: #faf9fe;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .qr-container img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }
    .qr-desc {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 4px;
    }
    .qr-hint {
      font-size: 12px;
      color: var(--text-light);
    }

    /* Footer Section */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border);
      padding: 56px 0 28px;
      color: var(--text-muted);
    }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-col h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 16px;
    }
    .footer-col p {
      font-size: 13px;
      line-height: 1.7;
      margin-bottom: 14px;
    }
    .footer-friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .footer-friend-links a {
      font-size: 13px;
      color: var(--text-muted);
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      background: var(--bg-subtle);
      transition: all 0.2s ease;
    }
    .footer-friend-links a:hover {
      color: var(--primary);
      background: rgba(92, 36, 255, 0.08);
    }
    .footer-bottom {
      border-top: 1px solid var(--border);
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      font-size: 13px;
      color: var(--text-light);
      gap: 12px;
    }
    .footer-bottom-links {
      display: flex;
      gap: 16px;
    }
    .footer-bottom-links a {
      color: var(--text-light);
    }
    .footer-bottom-links a:hover {
      color: var(--primary);
    }

    /* Floating Widget */
    .floating-widget {
      position: fixed;
      right: 24px;
      bottom: 32px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-dark);
      box-shadow: var(--shadow-md);
      cursor: pointer;
      transition: all 0.25s ease;
      position: relative;
    }
    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.08);
    }
    .float-btn-pop {
      background: var(--gradient-pop);
      color: #ffffff;
      border: none;
    }
    .float-btn-pop:hover {
      transform: scale(1.08);
      box-shadow: 0 6px 20px rgba(255, 51, 102, 0.45);
    }
    .float-qr-popup {
      position: absolute;
      right: 60px;
      bottom: 0;
      width: 150px;
      padding: 12px;
      background: #ffffff;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-hover);
      display: none;
      text-align: center;
    }
    .float-btn:hover .float-qr-popup {
      display: block;
    }
    .float-qr-popup img {
      width: 100%;
      height: auto;
      margin-bottom: 6px;
    }
    .float-qr-popup span {
      font-size: 11px;
      color: var(--text-muted);
      display: block;
    }

    /* Responsive */
    @media (max-width: 992px) {
      .services-grid,
      .testimonials-grid,
      .case-gallery,
      .wiki-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .about-grid,
      .demand-grid,
      .network-wrap,
      .articles-grid,
      .contact-grid,
      .agency-banner {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .hero-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        position: static;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 0;
        box-shadow: var(--shadow-md);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links a {
        padding: 12px 16px;
        border-radius: var(--radius-sm);
      }
      .header-cta-group {
        display: none;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-subtitle {
        font-size: 15px;
      }
      .services-grid,
      .testimonials-grid,
      .case-gallery,
      .wiki-grid,
      .scenarios-grid {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .contact-channels {
        grid-template-columns: 1fr;
      }
      .agency-benefits {
        grid-template-columns: 1fr;
      }
      .section-title {
        font-size: 26px;
      }
    }