:root {
      --color-primary: #4f46e5;
      --color-primary-dark: #3730a3;
      --color-primary-light: #e0e7ff;
      --color-vivid-pink: #ec4899;
      --color-vivid-purple: #8b5cf6;
      --color-vivid-amber: #f59e0b;
      --color-vivid-cyan: #06b6d4;
      --color-vivid-emerald: #10b981;
      --color-bg-base: #f8fafc;
      --color-card-bg: #ffffff;
      --color-text-main: #0f172a;
      --color-text-muted: #475569;
      --color-text-light: #64748b;
      --color-border: #e2e8f0;
      --color-border-hover: #cbd5e1;
      --gradient-vivid: linear-gradient(135deg, #4f46e5 0%, #ec4899 50%, #f59e0b 100%);
      --gradient-subtle: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
      --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
      --gradient-warm: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
      --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
      --shadow-lg: 0 10px 25px -3px rgba(79, 70, 229, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
      --shadow-vivid: 0 12px 30px rgba(236, 72, 153, 0.18);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 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, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--color-bg-base);
      color: var(--color-text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }

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

    .ai-container {
      width: 100%;
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .section-wrap {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 52px auto;
    }

    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 16px;
      font-size: 13px;
      font-weight: 600;
      border-radius: var(--radius-full);
      background: rgba(79, 70, 229, 0.1);
      color: var(--color-primary);
      margin-bottom: 16px;
      border: 1px solid rgba(79, 70, 229, 0.2);
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: var(--color-text-main);
      margin-bottom: 16px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 16px;
      color: var(--color-text-muted);
      line-height: 1.6;
    }

    /* Buttons */
    .ai-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      border: none;
      transition: var(--transition);
      text-align: center;
    }

    .ai-btn-primary {
      background: var(--gradient-vivid);
      color: #ffffff !important;
      box-shadow: 0 4px 18px rgba(79, 70, 229, 0.35);
    }

    .ai-btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(236, 72, 153, 0.45);
    }

    .ai-btn-outline {
      background: #ffffff;
      color: var(--color-primary);
      border: 1.5px solid var(--color-border);
    }

    .ai-btn-outline:hover {
      border-color: var(--color-primary);
      background: var(--color-primary-light);
      color: var(--color-primary-dark);
      transform: translateY(-2px);
    }

    .ai-btn-lg {
      padding: 15px 36px;
      font-size: 17px;
    }

    /* Header Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--color-border);
    }

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

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

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

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      color: var(--color-text-main);
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    .brand-name span {
      font-size: 11px;
      font-weight: 600;
      color: var(--color-vivid-pink);
      letter-spacing: 0.5px;
    }

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

    .nav-links li a {
      display: block;
      padding: 10px 14px;
      font-size: 14.5px;
      font-weight: 500;
      color: var(--color-text-muted);
      border-radius: var(--radius-sm);
      white-space: nowrap;
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--color-primary);
      background-color: rgba(79, 70, 229, 0.06);
    }

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

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      color: var(--color-text-main);
      padding: 6px;
    }

    /* Hero Section (No Images Allowed) */
    .hero-section {
      background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
      padding: 80px 0 90px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--color-border);
    }

    .hero-glow-1 {
      position: absolute;
      top: -120px;
      right: 5%;
      width: 420px;
      height: 420px;
      background: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
      pointer-events: none;
      z-index: 0;
    }

    .hero-glow-2 {
      position: absolute;
      bottom: -100px;
      left: 5%;
      width: 480px;
      height: 480px;
      background: radial-gradient(circle, rgba(79, 70, 229, 0.12) 0%, rgba(255, 255, 255, 0) 70%);
      pointer-events: none;
      z-index: 0;
    }

    .hero-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid rgba(236, 72, 153, 0.3);
      box-shadow: 0 4px 12px rgba(236, 72, 153, 0.12);
      padding: 8px 20px;
      border-radius: var(--radius-full);
      font-size: 14px;
      font-weight: 600;
      color: var(--color-vivid-pink);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--color-text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-title-highlight {
      background: var(--gradient-vivid);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 19px;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 36px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    .hero-stats-panel {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      background: #ffffff;
      padding: 24px 28px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-md);
      text-align: left;
    }

    .hero-stat-item {
      border-right: 1px solid var(--color-border);
      padding-right: 16px;
    }

    .hero-stat-item:last-child {
      border-right: none;
      padding-right: 0;
    }

    .hero-stat-number {
      font-size: 28px;
      font-weight: 800;
      color: var(--color-primary);
      line-height: 1.1;
      margin-bottom: 4px;
    }

    .hero-stat-label {
      font-size: 13px;
      color: var(--color-text-muted);
      font-weight: 500;
    }

    /* Model Logos Matrix */
    .models-section {
      background: #ffffff;
      padding: 48px 0;
      border-bottom: 1px solid var(--color-border);
    }

    .models-marquee-title {
      text-align: center;
      font-size: 14px;
      font-weight: 700;
      color: var(--color-text-light);
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 24px;
    }

    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .model-chip {
      background: var(--color-bg-base);
      border: 1px solid var(--color-border);
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 13.5px;
      font-weight: 600;
      color: var(--color-text-main);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
    }

    .model-chip:hover {
      background: var(--color-primary-light);
      color: var(--color-primary-dark);
      border-color: var(--color-primary);
      transform: translateY(-2px);
    }

    .model-chip .dot {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--color-vivid-emerald);
    }

    /* Platform Intro (About) */
    .intro-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .intro-text-box h3 {
      font-size: 26px;
      font-weight: 800;
      margin-bottom: 16px;
      color: var(--color-text-main);
    }

    .intro-text-box p {
      font-size: 15.5px;
      color: var(--color-text-muted);
      margin-bottom: 20px;
      line-height: 1.7;
    }

    .intro-feature-list {
      list-style: none;
      margin-bottom: 28px;
    }

    .intro-feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--color-text-main);
    }

    .intro-feature-list .check-icon {
      flex-shrink: 0;
      width: 22px;
      height: 22px;
      background: rgba(16, 185, 129, 0.15);
      color: var(--color-vivid-emerald);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      font-weight: bold;
    }

    .intro-media-card {
      background: #ffffff;
      padding: 12px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .ai-page-image {
      border-radius: var(--radius-md);
      width: 100%;
      height: auto;
      object-fit: cover;
    }

    /* Scenarios & Services Cards */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .service-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(79, 70, 229, 0.4);
    }

    .service-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--gradient-vivid);
      opacity: 0;
      transition: var(--transition);
    }

    .service-card:hover::before {
      opacity: 1;
    }

    .service-icon-box {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      background: rgba(79, 70, 229, 0.1);
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
    }

    .service-title {
      font-size: 19px;
      font-weight: 700;
      color: var(--color-text-main);
      margin-bottom: 12px;
    }

    .service-desc {
      font-size: 14.5px;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }

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

    .service-pill {
      font-size: 12px;
      padding: 3px 10px;
      border-radius: var(--radius-full);
      background: var(--color-bg-base);
      color: var(--color-text-muted);
      font-weight: 500;
    }

    /* Production & Process */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
      margin-bottom: 50px;
    }

    .process-step-card {
      background: #ffffff;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      padding: 24px 18px;
      text-align: center;
      position: relative;
    }

    .step-number {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: var(--gradient-vivid);
      color: #ffffff;
      font-weight: 800;
      font-size: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
    }

    .step-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-desc {
      font-size: 13px;
      color: var(--color-text-muted);
      line-height: 1.5;
    }

    .production-showcase-box {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
      background: #ffffff;
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .showcase-media {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--color-border);
    }

    /* Evaluation / Comparison Table */
    .evaluation-badge-card {
      background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px 40px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 36px;
      box-shadow: 0 10px 30px rgba(79, 70, 229, 0.25);
    }

    .eval-score-num {
      font-size: 56px;
      font-weight: 900;
      line-height: 1;
      color: #fbbf24;
    }

    .eval-stars {
      color: #fbbf24;
      font-size: 22px;
      letter-spacing: 4px;
      margin-bottom: 6px;
    }

    .table-responsive {
      width: 100%;
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-sm);
    }

    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14.5px;
    }

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

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

    .compare-table tr:last-child td {
      border-bottom: none;
    }

    .highlight-col {
      background-color: rgba(79, 70, 229, 0.04);
      font-weight: 600;
      color: var(--color-primary-dark);
    }

    th.highlight-col {
      background-color: rgba(79, 70, 229, 0.1);
      color: var(--color-primary-dark);
    }

    .tag-check {
      color: var(--color-vivid-emerald);
      font-weight: bold;
    }

    .tag-cross {
      color: #94a3b8;
    }

    /* Token Price Benchmark */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
      padding: 24px;
      text-align: center;
      transition: var(--transition);
    }

    .token-card:hover {
      border-color: var(--color-vivid-pink);
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .token-model-name {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .token-official-price {
      font-size: 13px;
      color: #94a3b8;
      text-decoration: line-through;
      margin-bottom: 4px;
    }

    .token-our-price {
      font-size: 26px;
      font-weight: 800;
      color: var(--color-vivid-pink);
      margin-bottom: 12px;
    }

    .token-save-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      background: rgba(236, 72, 153, 0.1);
      color: var(--color-vivid-pink);
      border-radius: var(--radius-full);
    }

    /* Industry Solutions */
    .solutions-tabs-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .sol-card h4 {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--color-text-main);
    }

    .sol-card p {
      font-size: 14.5px;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

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

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

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

    .case-img-wrap {
      aspect-ratio: 16 / 9;
      overflow: hidden;
      background: #e2e8f0;
    }

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

    .case-card:hover .case-img-wrap img {
      transform: scale(1.04);
    }

    .case-body {
      padding: 24px;
    }

    .case-category {
      font-size: 12.5px;
      font-weight: 700;
      color: var(--color-primary);
      margin-bottom: 8px;
    }

    .case-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .case-desc {
      font-size: 14px;
      color: var(--color-text-muted);
      line-height: 1.5;
    }

    /* Agency & Franchise */
    .agency-box {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 50px 48px;
      box-shadow: 0 15px 35px rgba(30, 27, 75, 0.3);
    }

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

    .agency-inner h3 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }

    .agency-inner p {
      font-size: 16px;
      color: #cbd5e1;
      margin-bottom: 24px;
      line-height: 1.6;
    }

    .agency-benefits {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      margin-bottom: 30px;
    }

    .benefit-item {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      font-size: 14px;
      font-weight: 500;
    }

    /* Reviews (6 verified reviews) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .review-text {
      font-size: 14.5px;
      color: var(--color-text-muted);
      line-height: 1.65;
      margin-bottom: 20px;
      position: relative;
    }

    .review-user-box {
      display: flex;
      align-items: center;
      gap: 14px;
      border-top: 1px solid var(--color-border);
      padding-top: 16px;
    }

    .review-avatar-text {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--gradient-vivid);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      flex-shrink: 0;
    }

    .review-user-name {
      font-size: 15px;
      font-weight: 700;
      color: var(--color-text-main);
    }

    .review-user-role {
      font-size: 12.5px;
      color: var(--color-text-light);
    }

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

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

    .faq-question {
      padding: 20px 24px;
      font-size: 16.5px;
      font-weight: 600;
      color: var(--color-text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-icon {
      font-size: 18px;
      font-weight: 700;
      transition: transform 0.25s ease;
      color: var(--color-primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease;
      padding: 0 24px;
      background: #ffffff;
    }

    .faq-answer p {
      padding-bottom: 20px;
      font-size: 14.5px;
      color: var(--color-text-muted);
      line-height: 1.65;
    }

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

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

    /* Articles Section */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-bottom: 30px;
    }

    .article-card {
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .article-card:hover {
      border-color: var(--color-primary);
      transform: translateY(-3px);
    }

    .article-tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--color-vivid-pink);
      margin-bottom: 8px;
    }

    .article-title {
      font-size: 16.5px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 12px;
    }

    .article-link-btn {
      font-size: 13.5px;
      font-weight: 600;
      color: var(--color-primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* Form & Contact Section */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--color-border);
      padding: 48px;
      box-shadow: var(--shadow-md);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      color: var(--color-text-main);
      margin-bottom: 8px;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1.5px solid var(--color-border);
      border-radius: var(--radius-sm);
      font-size: 14.5px;
      color: var(--color-text-main);
      background-color: #ffffff;
      transition: var(--transition);
    }

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

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

    .contact-info-panel {
      background: var(--color-bg-base);
      border-radius: var(--radius-md);
      padding: 32px;
      border: 1px solid var(--color-border);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .contact-info-list li {
      margin-bottom: 14px;
      font-size: 14.5px;
      color: var(--color-text-muted);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-info-list strong {
      color: var(--color-text-main);
    }

    .qr-box {
      text-align: center;
      background: #ffffff;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--color-border);
    }

    .qr-box img {
      width: 140px;
      height: 140px;
      margin: 0 auto 12px auto;
      border-radius: var(--radius-sm);
    }

    .qr-label {
      font-size: 13px;
      color: var(--color-text-muted);
      font-weight: 600;
    }

    /* Links & Footer */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px 0;
      font-size: 14px;
    }

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

    .footer-col h5 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 18px;
    }

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

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

    .footer-col ul li a {
      color: #94a3b8;
    }

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

    .friend-links-box {
      padding: 28px 0;
      border-bottom: 1px solid #1e293b;
    }

    .friend-links-label {
      color: #ffffff;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 12px;
    }

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

    .friend-links-list a {
      color: #94a3b8;
      font-size: 13.5px;
      transition: var(--transition);
    }

    .friend-links-list a:hover {
      color: var(--color-vivid-pink);
    }

    .footer-bottom {
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
    }

    .ai-page-home-link {
      color: #cbd5e1;
      font-weight: 600;
      text-decoration: underline;
    }

    /* Floating Widget */
    .floating-cs {
      position: fixed;
      right: 24px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #ffffff;
      color: var(--color-primary);
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition);
      font-size: 18px;
      text-decoration: none;
    }

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

    /* Responsive */
    @media (max-width: 1024px) {
      .services-grid,
      .solutions-tabs-grid,
      .reviews-grid,
      .articles-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links li a {
        padding: 12px 0;
      }
      .nav-toggle {
        display: block;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-subtitle {
        font-size: 16px;
      }
      .hero-stats-panel {
        grid-template-columns: repeat(2, 1fr);
      }
      .hero-stat-item:nth-child(2) {
        border-right: none;
      }
      .services-grid,
      .solutions-tabs-grid,
      .reviews-grid,
      .articles-grid,
      .cases-grid,
      .token-grid {
        grid-template-columns: 1fr;
      }
      .intro-grid,
      .production-showcase-box,
      .agency-inner,
      .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 24px;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .evaluation-badge-card {
        flex-direction: column;
        text-align: center;
        gap: 20px;
      }
    }