:root {
      --primary: #4f46e5;
      --primary-bright: #6366f1;
      --accent-pink: #ec4899;
      --accent-orange: #f97316;
      --accent-cyan: #06b6d4;
      --accent-gradient: linear-gradient(135deg, #ff007a 0%, #7928ca 50%, #0070f3 100%);
      --bright-gradient: linear-gradient(120deg, #ff3366 0%, #ff6b00 50%, #7928ca 100%);
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --bg-subtle: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --border-focus: #c7d2fe;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 20px 35px -10px rgba(99, 102, 241, 0.15);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-width: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

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

    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      height: 100vh;
      background: radial-gradient(circle at 10% 10%, rgba(255, 51, 102, 0.04) 0%, transparent 40%),
                  radial-gradient(circle at 90% 20%, rgba(0, 112, 243, 0.05) 0%, transparent 45%),
                  radial-gradient(circle at 50% 80%, rgba(121, 40, 202, 0.04) 0%, transparent 50%);
      pointer-events: none;
      z-index: -1;
    }

    .container {
      width: 100%;
      max-width: var(--container-width);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }

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

    .header-nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }

    .brand-box {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
    }

    .brand-text {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .brand-badge {
      background: linear-gradient(135deg, #ff007a, #7928ca);
      color: #ffffff;
      font-size: 0.72rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 20px;
      text-transform: uppercase;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
      list-style: none;
    }

    .nav-links a {
      font-size: 0.94rem;
      font-weight: 600;
      color: var(--text-muted);
      padding: 10px 14px;
      border-radius: 8px;
      transition: all 0.2s ease;
      white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a.active {
      color: var(--primary);
      background-color: rgba(99, 102, 241, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      border-radius: 10px;
      padding: 10px 22px;
      font-size: 0.95rem;
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      border: 1px solid transparent;
      text-align: center;
    }

    .btn-gradient {
      background: var(--bright-gradient);
      color: #ffffff;
      box-shadow: 0 4px 15px rgba(255, 51, 102, 0.35);
      border: none;
    }

    .btn-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(255, 51, 102, 0.45);
      color: #ffffff;
    }

    .btn-primary {
      background-color: var(--primary);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(79, 70, 229, 0.28);
    }

    .btn-primary:hover {
      background-color: var(--primary-bright);
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(79, 70, 229, 0.38);
      color: #ffffff;
    }

    .btn-outline {
      background-color: #ffffff;
      color: var(--text-main);
      border: 1px solid var(--border-color);
    }

    .btn-outline:hover {
      background-color: var(--bg-subtle);
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-sm {
      padding: 7px 14px;
      font-size: 0.85rem;
    }

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 8px;
    }

    /* Section Baseline */
    .section-wrap {
      padding: 84px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px auto;
    }

    .section-tag {
      display: inline-block;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 1px;
      padding: 4px 14px;
      border-radius: 30px;
      background: rgba(236, 72, 153, 0.1);
      color: #db2777;
      margin-bottom: 12px;
      text-transform: uppercase;
      border: 1px solid rgba(236, 72, 153, 0.25);
    }

    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Hero Section (Strictly No Images) */
    .hero-section {
      padding: 75px 0 90px 0;
      background: linear-gradient(180deg, #ffffff 0%, #f5f3ff 45%, #eff6ff 100%);
      position: relative;
      border-bottom: 1px solid var(--border-color);
      overflow: hidden;
    }

    .hero-bg-shape {
      position: absolute;
      width: 480px;
      height: 480px;
      border-radius: 50%;
      filter: blur(80px);
      pointer-events: none;
      z-index: 0;
      opacity: 0.55;
    }

    .hero-shape-1 {
      top: -80px;
      right: -80px;
      background: linear-gradient(135deg, #ff007a, #ff6b00);
    }

    .hero-shape-2 {
      bottom: -60px;
      left: -60px;
      background: linear-gradient(135deg, #0070f3, #7928ca);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.25fr 0.95fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 1;
    }

    .hero-content {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
    }

    .hero-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid rgba(255, 0, 122, 0.3);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.86rem;
      font-weight: 700;
      color: #be185d;
      box-shadow: 0 4px 12px rgba(255, 0, 122, 0.12);
      margin-bottom: 20px;
    }

    .hero-pill-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #ff007a;
      box-shadow: 0 0 10px #ff007a;
      animation: pulse 1.8s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(1.3); }
    }

    .hero-title {
      font-size: 2.85rem;
      font-weight: 900;
      color: #0b1329;
      line-height: 1.2;
      letter-spacing: -1px;
      margin-bottom: 20px;
    }

    .hero-desc {
      font-size: 1.12rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 30px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
      margin-bottom: 36px;
    }

    .hero-btn-official {
      padding: 14px 34px;
      font-size: 1.05rem;
      font-weight: 700;
      border-radius: 12px;
      background: var(--bright-gradient);
      color: #ffffff;
      box-shadow: 0 8px 24px rgba(255, 51, 102, 0.38);
      transition: all 0.25s ease;
    }

    .hero-btn-official:hover {
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 12px 30px rgba(255, 51, 102, 0.48);
      color: #ffffff;
    }

    .hero-badges-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 10px;
    }

    .badge-chip {
      background: #ffffff;
      border: 1px solid var(--border-color);
      color: var(--text-muted);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 20px;
    }

    /* CSS Interactive Panel replacing Hero Image */
    .hero-visual-card {
      background: #ffffff;
      border: 1px solid rgba(121, 40, 202, 0.25);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 20px 45px -10px rgba(121, 40, 202, 0.2), 0 10px 20px -5px rgba(0, 112, 243, 0.1);
      position: relative;
    }

    .hvc-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
      margin-bottom: 20px;
    }

    .hvc-status {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.86rem;
      font-weight: 700;
      color: #059669;
    }

    .hvc-status-circle {
      width: 10px;
      height: 10px;
      background: #10b981;
      border-radius: 50%;
    }

    .hvc-spec-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-bottom: 20px;
    }

    .hvc-spec-item {
      background: var(--bg-subtle);
      padding: 14px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }

    .hvc-spec-label {
      font-size: 0.78rem;
      color: var(--text-light);
      margin-bottom: 4px;
    }

    .hvc-spec-val {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .hvc-gradient-bar {
      height: 8px;
      border-radius: 8px;
      background: var(--bright-gradient);
      margin-bottom: 20px;
    }

    .hvc-feature-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .hvc-tag {
      background: rgba(79, 70, 229, 0.08);
      color: var(--primary);
      font-size: 0.78rem;
      font-weight: 700;
      padding: 5px 10px;
      border-radius: 6px;
      border: 1px solid rgba(79, 70, 229, 0.18);
    }

    /* Metric Stats Strip */
    .metrics-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: -35px;
      position: relative;
      z-index: 10;
    }

    .metric-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-md);
      text-align: center;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      border-top: 4px solid var(--primary);
    }

    .metric-card:nth-child(2) { border-top-color: #ff007a; }
    .metric-card:nth-child(3) { border-top-color: #0070f3; }
    .metric-card:nth-child(4) { border-top-color: #ff6b00; }

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

    .metric-number {
      font-size: 2rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 4px;
      letter-spacing: -0.5px;
    }

    .metric-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* Platform Intro (About) */
    .intro-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }

    .intro-text-block h3 {
      font-size: 1.75rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--text-main);
    }

    .intro-text-block p {
      font-size: 1.02rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 16px;
    }

    .intro-checklist {
      list-style: none;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 20px;
    }

    .intro-checklist li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .intro-checklist-icon {
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: #10b981;
      color: #ffffff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 0.7rem;
      flex-shrink: 0;
    }

    .intro-banner-wrap {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
      background: #ffffff;
    }

    .ai-page-image {
      width: 100%;
      height: auto;
      object-fit: cover;
      display: block;
    }

    /* Core Services Grid */
    .services-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: 30px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .service-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 30px rgba(79, 70, 229, 0.12);
      border-color: rgba(99, 102, 241, 0.4);
    }

    .service-icon-box {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 20px;
      background: rgba(79, 70, 229, 0.1);
      color: var(--primary);
    }

    .service-card:nth-child(2) .service-icon-box {
      background: rgba(236, 72, 153, 0.1);
      color: var(--accent-pink);
    }

    .service-card:nth-child(3) .service-icon-box {
      background: rgba(249, 115, 22, 0.1);
      color: var(--accent-orange);
    }

    .service-card:nth-child(4) .service-icon-box {
      background: rgba(6, 182, 212, 0.1);
      color: var(--accent-cyan);
    }

    .service-card:nth-child(5) .service-icon-box {
      background: rgba(16, 185, 129, 0.1);
      color: #10b981;
    }

    .service-card:nth-child(6) .service-icon-box {
      background: rgba(139, 92, 246, 0.1);
      color: #8b5cf6;
    }

    .service-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .service-desc {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      flex-grow: 1;
    }

    .service-features {
      list-style: none;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
      margin-bottom: 18px;
    }

    .service-features li {
      font-size: 0.85rem;
      color: var(--text-muted);
      padding: 4px 0;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* Scenario Workshop (Deep Capabilities) */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .scenario-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
      display: flex;
      flex-direction: column;
    }

    .scenario-item:hover {
      border-color: #ff007a;
      transform: translateY(-4px);
      box-shadow: 0 10px 20px rgba(255, 0, 122, 0.08);
    }

    .scenario-tag {
      font-size: 0.72rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    .scenario-name {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .scenario-detail {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* Model Ecosystem */
    .models-marquee-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 34px;
      box-shadow: var(--shadow-md);
    }

    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .model-chip {
      background: var(--bg-subtle);
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 8px;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      transition: all 0.2s ease;
    }

    .model-chip:hover {
      background: #ffffff;
      border-color: var(--primary);
      color: var(--primary);
      transform: scale(1.05);
      box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
    }

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

    .compare-score-banner {
      background: linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);
      color: #ffffff;
      padding: 28px 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .score-left h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .score-left p {
      font-size: 0.95rem;
      opacity: 0.9;
    }

    .score-right {
      display: flex;
      align-items: center;
      gap: 16px;
      background: rgba(255, 255, 255, 0.15);
      padding: 12px 24px;
      border-radius: 12px;
      backdrop-filter: blur(8px);
    }

    .score-num {
      font-size: 2.4rem;
      font-weight: 900;
      line-height: 1;
    }

    .score-stars {
      color: #fbbf24;
      font-size: 1.25rem;
      letter-spacing: 2px;
    }

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

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

    .compare-table th,
    .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }

    .compare-table th {
      background: var(--bg-subtle);
      font-weight: 700;
      color: var(--text-main);
    }

    .col-highlight {
      background-color: rgba(99, 102, 241, 0.04);
      font-weight: 700;
      color: var(--primary);
    }

    .compare-badge-yes {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: #059669;
      font-weight: 700;
    }

    .compare-badge-no {
      color: #94a3b8;
    }

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

    .flow-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      position: relative;
      transition: transform 0.25s ease;
    }

    .flow-card:hover {
      transform: translateY(-4px);
    }

    .flow-num {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--bright-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 16px;
    }

    .flow-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .flow-desc {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Media Showcase Section */
    .media-showcase-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 24px;
      align-items: center;
    }

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

    .media-caption {
      padding: 18px 24px;
    }

    .media-caption h4 {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .media-caption p {
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    /* Token Price & Match Section */
    .token-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 34px;
      box-shadow: var(--shadow-md);
      margin-bottom: 40px;
    }

    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }

    .token-card {
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      background: var(--bg-subtle);
      text-align: center;
      transition: all 0.25s ease;
    }

    .token-card:hover {
      background: #ffffff;
      border-color: var(--primary);
      box-shadow: var(--shadow-md);
    }

    .token-type {
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .token-price {
      font-size: 1.85rem;
      font-weight: 900;
      color: #ff007a;
      margin-bottom: 8px;
    }

    .token-discount {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      background: #dbeafe;
      color: #1e40af;
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 12px;
    }

    .token-note {
      font-size: 0.82rem;
      color: var(--text-light);
    }

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

    .review-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 26px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform 0.25s ease;
    }

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

    .review-stars {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 0.9rem;
    }

    .review-content {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid var(--border-color);
      padding-top: 14px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--bright-gradient);
      color: #ffffff;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .author-info h5 {
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--text-main);
    }

    .author-info p {
      font-size: 0.78rem;
      color: var(--text-light);
    }

    /* FAQ Section */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color 0.2s ease;
    }

    .faq-item.active {
      border-color: var(--primary);
    }

    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      user-select: none;
    }

    .faq-toggle-icon {
      font-size: 1.25rem;
      font-weight: 400;
      color: var(--primary);
      transition: transform 0.25s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
      background: #fafafa;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 0 24px 20px 24px;
      transition: max-height 0.3s ease-in-out, padding 0.3s ease;
    }

    .faq-answer p {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Form & Contact Section */
    .contact-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 36px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-lg);
    }

    .form-title {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .form-subtitle {
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

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

    .form-label {
      display: block;
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      background: var(--bg-main);
      color: var(--text-main);
      transition: all 0.2s ease;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    .contact-info-panel {
      background: linear-gradient(145deg, #1e1b4b 0%, #0f172a 100%);
      color: #ffffff;
      border-radius: var(--radius-md);
      padding: 32px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .contact-info-panel h4 {
      font-size: 1.35rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .contact-info-panel p {
      font-size: 0.9rem;
      color: #cbd5e1;
      line-height: 1.6;
      margin-bottom: 24px;
    }

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

    .contact-detail-list li {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.92rem;
      color: #e2e8f0;
      margin-bottom: 14px;
    }

    .qr-box {
      background: #ffffff;
      padding: 12px;
      border-radius: 12px;
      display: inline-block;
      max-width: 140px;
      text-align: center;
    }

    .qr-box img {
      width: 100%;
      height: auto;
      border-radius: 6px;
    }

    .qr-box span {
      display: block;
      font-size: 0.75rem;
      color: var(--text-main);
      font-weight: 700;
      margin-top: 6px;
    }

    /* Agency / Franchise Section */
    .agency-banner {
      background: linear-gradient(135deg, #fff1f2 0%, #fdf2f8 50%, #f5f3ff 100%);
      border: 1px solid rgba(236, 72, 153, 0.2);
      border-radius: var(--radius-lg);
      padding: 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 30px;
    }

    .agency-left {
      max-width: 680px;
    }

    .agency-left h3 {
      font-size: 1.85rem;
      font-weight: 900;
      color: var(--text-main);
      margin-bottom: 12px;
    }

    .agency-left p {
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Articles / AI Encyclopedia */
    .news-encyclopedia-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .box-bordered {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-sm);
    }

    .box-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 18px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .article-links-list {
      list-style: none;
    }

    .article-links-list li {
      border-bottom: 1px dashed var(--border-color);
      padding: 10px 0;
    }

    .article-links-list li:last-child {
      border-bottom: none;
    }

    .article-link-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-main);
    }

    .article-link-item:hover {
      color: var(--primary);
    }

    .article-arrow {
      color: var(--text-light);
      font-size: 0.8rem;
    }

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

    .footer-main-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 40px;
      border-bottom: 1px solid #1e293b;
    }

    .footer-brand h4 {
      font-size: 1.3rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
    }

    .footer-brand p {
      font-size: 0.88rem;
      line-height: 1.7;
      color: #94a3b8;
      margin-bottom: 16px;
    }

    .footer-col h5 {
      font-size: 0.98rem;
      font-weight: 700;
      color: #f8fafc;
      margin-bottom: 16px;
    }

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

    .footer-col ul li {
      margin-bottom: 10px;
    }

    .footer-col ul li a {
      font-size: 0.88rem;
      color: #94a3b8;
      transition: color 0.2s ease;
    }

    .footer-col ul li a:hover {
      color: #ffffff;
    }

    .friend-links-box {
      padding: 24px 0;
      border-bottom: 1px solid #1e293b;
    }

    .friend-links-title {
      font-size: 0.85rem;
      font-weight: 700;
      color: #cbd5e1;
      margin-bottom: 12px;
      text-transform: uppercase;
    }

    .friend-links-row {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .friend-links-row a {
      font-size: 0.85rem;
      color: #94a3b8;
    }

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

    .footer-bottom-bar {
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.82rem;
      color: #64748b;
    }

    .footer-bottom-links {
      display: flex;
      gap: 18px;
    }

    .footer-bottom-links a {
      color: #64748b;
    }

    .footer-bottom-links a:hover {
      color: #cbd5e1;
    }

    /* Floating Customer Service Widget */
    .float-service-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      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-color);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--text-main);
      font-size: 1.1rem;
      position: relative;
      transition: all 0.25s ease;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.08);
    }

    .float-btn-cta {
      background: var(--bright-gradient);
      color: #ffffff;
      border: none;
    }

    .float-popover {
      position: absolute;
      right: 58px;
      bottom: 0;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 14px;
      box-shadow: var(--shadow-lg);
      width: 170px;
      display: none;
      text-align: center;
    }

    .float-btn:hover .float-popover {
      display: block;
    }

    .float-popover img {
      width: 100%;
      height: auto;
      border-radius: 6px;
      margin-bottom: 6px;
    }

    .float-popover p {
      font-size: 0.75rem;
      color: var(--text-muted);
      font-weight: 700;
    }

    /* Responsive Queries */
    @media (max-width: 1024px) {
      .services-grid,
      .scenarios-grid,
      .reviews-grid,
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .metrics-bar,
      .flow-steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-main-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 868px) {
      .hero-grid,
      .intro-grid,
      .contact-grid,
      .media-showcase-grid,
      .news-encyclopedia-grid {
        grid-template-columns: 1fr;
      }
      .mobile-menu-btn {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        align-items: stretch;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
        padding: 16px 24px;
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links a {
        padding: 12px 14px;
      }
      .nav-cta {
        display: none;
      }
      .hero-title {
        font-size: 2.2rem;
      }
      .section-title {
        font-size: 1.85rem;
      }
      .agency-banner {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 640px) {
      .services-grid,
      .scenarios-grid,
      .reviews-grid,
      .metrics-bar,
      .flow-steps-grid,
      .token-grid,
      .intro-checklist,
      .hvc-spec-list,
      .footer-main-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .contact-grid {
        padding: 24px 18px;
      }
      .agency-banner {
        padding: 24px 18px;
      }
    }