:root {
      --primary: #10b981;
      --primary-dark: #059669;
      --primary-light: #ecfdf5;
      --accent: #14b8a6;
      --accent-soft: #f0fdfa;
      --surface: #ffffff;
      --surface-soft: #f8fafc;
      --surface-card: #f3faf7;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #d1fae5;
      --border-subtle: #e2e8f0;
      --shadow-sm: 0 2px 8px rgba(16, 185, 129, 0.06);
      --shadow-md: 0 10px 25px -5px rgba(16, 185, 129, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      --radius: 12px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      background-color: #f7faf8;
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      background: linear-gradient(180deg, #f0fdf4 0%, #f8fafc 400px, #f4fbf7 100%);
      color: var(--text-main);
      min-height: 100vh;
      overflow-x: hidden;
    }

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

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

    header.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-color);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 16px;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .brand-wrap .ai-page-logo {
      height: 40px;
      width: auto;
      display: block;
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      color: #064e3b;
      letter-spacing: 0.5px;
    }

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

    .nav-links a {
      padding: 8px 12px;
      font-size: 0.93rem;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: 6px;
    }

    .nav-links a:hover, .nav-links a.active {
      color: var(--primary-dark);
      background-color: var(--primary-light);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 20px;
      font-size: 0.95rem;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      white-space: nowrap;
      text-align: center;
    }

    .btn-primary {
      background: linear-gradient(135deg, #10b981 0%, #059669 100%);
      color: #ffffff;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.28);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #059669 0%, #047857 100%);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
    }

    .btn-outline {
      border-color: var(--primary);
      color: var(--primary-dark);
      background-color: #ffffff;
    }

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

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      padding: 8px;
      cursor: pointer;
      color: var(--text-main);
    }

    .section-block {
      padding-top: 64px;
      padding-bottom: 64px;
    }

    .section-head {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 48px;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background-color: var(--primary-light);
      border: 1px solid var(--border-color);
      color: var(--primary-dark);
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: #064e3b;
      margin-bottom: 12px;
      line-height: 1.3;
    }

    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Hero Section (No Images Allowed) */
    .hero-section {
      padding: 72px 0 60px;
      background: radial-gradient(circle at 50% 10%, #d1fae5 0%, rgba(240, 253, 244, 0.2) 65%);
      position: relative;
    }

    .hero-content {
      text-align: center;
      max-width: 880px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 30px;
      font-size: 0.88rem;
      color: var(--primary-dark);
      margin-bottom: 24px;
      box-shadow: var(--shadow-sm);
    }

    .hero-title {
      font-size: 2.5rem;
      line-height: 1.25;
      font-weight: 800;
      color: #064e3b;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .hero-subtitle {
      font-size: 1.15rem;
      color: var(--text-muted);
      margin-bottom: 32px;
      line-height: 1.75;
    }

    .hero-btns {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 44px;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px 16px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease;
    }

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

    .stat-num {
      font-size: 1.8rem;
      font-weight: 800;
      color: #059669;
      margin-bottom: 6px;
    }

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

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

    .intro-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.25s ease, transform 0.25s ease;
    }

    .intro-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-3px);
    }

    .intro-card-icon {
      width: 44px;
      height: 44px;
      background: var(--primary-light);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-dark);
      font-size: 1.25rem;
      margin-bottom: 18px;
      font-weight: 700;
    }

    .intro-card h3 {
      font-size: 1.2rem;
      color: #064e3b;
      margin-bottom: 10px;
    }

    .intro-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Supported Models Chips */
    .model-tags-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 24px;
      margin-top: 36px;
    }

    .model-tags-box h4 {
      font-size: 1rem;
      color: #064e3b;
      margin-bottom: 16px;
      text-align: center;
    }

    .tags-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }

    .tag-item {
      padding: 6px 14px;
      background: var(--accent-soft);
      border: 1px solid #ccfbf1;
      color: #0f766e;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
    }

    /* AIGC Services Grid */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .service-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-top: 3px solid var(--primary);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .service-card h3 {
      font-size: 1.15rem;
      color: #064e3b;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .service-card p {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }

    .service-badge {
      display: inline-block;
      padding: 3px 10px;
      background-color: var(--primary-light);
      color: var(--primary-dark);
      font-size: 0.78rem;
      border-radius: 4px;
      font-weight: 600;
      align-self: flex-start;
    }

    /* One-stop Production Feature */
    .one-stop-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .one-stop-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }

    .feature-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .feature-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
    }

    .feature-dot {
      width: 20px;
      height: 20px;
      background: var(--primary-light);
      border: 1px solid var(--primary);
      color: var(--primary-dark);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .feature-item h4 {
      font-size: 1rem;
      color: #064e3b;
      margin-bottom: 4px;
    }

    .feature-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .side-visual-card {
      background: linear-gradient(145deg, #ecfdf5 0%, #f0fdfa 100%);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 32px;
      text-align: center;
    }

    .side-visual-card h3 {
      font-size: 1.4rem;
      color: #064e3b;
      margin-bottom: 12px;
    }

    .side-visual-card p {
      font-size: 0.95rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    /* Industry Solutions */
    .solution-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .solution-card {
      background: #ffffff;
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }

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

    .solution-card h3 {
      font-size: 1.05rem;
      color: #064e3b;
      margin-bottom: 8px;
    }

    .solution-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Service Network */
    .network-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 36px;
      box-shadow: var(--shadow-sm);
    }

    .network-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .network-node {
      border-left: 3px solid var(--primary);
      padding-left: 18px;
    }

    .network-node h3 {
      font-size: 1.1rem;
      color: #064e3b;
      margin-bottom: 8px;
    }

    .network-node p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Flow 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);
      padding: 24px 20px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      font-size: 1.5rem;
      font-weight: 800;
      color: #a7f3d0;
      margin-bottom: 8px;
    }

    .flow-card h3 {
      font-size: 1.05rem;
      color: #064e3b;
      margin-bottom: 8px;
    }

    .flow-card p {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Case Center Showcase */
    .cases-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .case-media {
      width: 100%;
      background: #f1f5f9;
      display: block;
    }

    .case-media img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .case-body {
      padding: 20px;
    }

    .case-body h3 {
      font-size: 1.1rem;
      color: #064e3b;
      margin-bottom: 8px;
    }

    .case-body p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Comparison Review */
    .review-score-panel {
      background: linear-gradient(135deg, #064e3b 0%, #047857 100%);
      color: #ffffff;
      border-radius: var(--radius);
      padding: 32px;
      margin-bottom: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 20px;
    }

    .score-left h3 {
      font-size: 1.4rem;
      margin-bottom: 8px;
    }

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

    .score-right {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .score-num-box {
      text-align: right;
    }

    .score-huge {
      font-size: 2.8rem;
      font-weight: 800;
      color: #6ee7b7;
      line-height: 1;
    }

    .score-sub {
      font-size: 0.85rem;
      opacity: 0.8;
    }

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

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

    table.compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.92rem;
    }

    table.compare-table th, table.compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid #e2e8f0;
    }

    table.compare-table th {
      background-color: #ecfdf5;
      color: #064e3b;
      font-weight: 700;
    }

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

    table.compare-table tr:hover td {
      background-color: #f8fafc;
    }

    .tag-strong {
      color: #059669;
      font-weight: 700;
    }

    /* Token Price Compare */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

    .token-card.highlight {
      border: 2px solid var(--primary);
      background: #fcfefe;
    }

    .token-badge {
      position: absolute;
      top: 16px;
      right: 16px;
      background: var(--primary);
      color: #ffffff;
      padding: 3px 10px;
      font-size: 0.75rem;
      border-radius: 12px;
    }

    .token-card h3 {
      font-size: 1.2rem;
      color: #064e3b;
      margin-bottom: 10px;
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 800;
      color: #059669;
      margin-bottom: 12px;
    }

    .token-price span {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: normal;
    }

    .token-card ul {
      list-style: none;
      margin-bottom: 24px;
    }

    .token-card ul li {
      font-size: 0.9rem;
      color: var(--text-muted);
      padding: 6px 0;
      border-bottom: 1px dashed #e2e8f0;
    }

    /* Articles Section */
    .articles-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 32px;
      box-shadow: var(--shadow-sm);
    }

    .articles-meta-call {
      padding: 12px 18px;
      background-color: var(--primary-light);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      margin-bottom: 24px;
      font-size: 0.95rem;
      color: #064e3b;
      font-weight: 600;
    }

    .article-links-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
      list-style: none;
    }

    .article-links-list a {
      display: block;
      padding: 14px 18px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      font-size: 0.92rem;
      color: var(--text-main);
      transition: all 0.25s ease;
    }

    .article-links-list a:hover {
      background: var(--accent-soft);
      border-color: var(--accent);
      color: var(--primary-dark);
      padding-left: 22px;
    }

    /* FAQ Section */
    .faq-container {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .faq-header {
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      font-size: 1.05rem;
      font-weight: 600;
      color: #064e3b;
      user-select: none;
    }

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

    .faq-content {
      padding: 0 24px 20px 24px;
      font-size: 0.93rem;
      color: var(--text-muted);
      line-height: 1.6;
      display: none;
    }

    .faq-item.active .faq-content {
      display: block;
    }

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

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

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

    .testi-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }

    .testi-user {
      display: flex;
      align-items: center;
      gap: 12px;
      border-top: 1px solid #f1f5f9;
      padding-top: 14px;
    }

    .user-avatar {
      width: 40px;
      height: 40px;
      background: var(--primary-light);
      border: 1px solid var(--border-color);
      color: var(--primary-dark);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.9rem;
    }

    .user-info h4 {
      font-size: 0.95rem;
      color: #064e3b;
    }

    .user-info span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    /* Agency Franchise */
    .agency-card {
      background: linear-gradient(135deg, #f0fdf4 0%, #ccfbf1 100%);
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .agency-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 28px;
    }

    .agency-item {
      background: rgba(255, 255, 255, 0.8);
      border: 1px solid #ffffff;
      border-radius: 10px;
      padding: 24px;
    }

    .agency-item h3 {
      font-size: 1.15rem;
      color: #064e3b;
      margin-bottom: 8px;
    }

    .agency-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* Demand Match & Contact Form */
    .form-section-container {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }

    .form-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .contact-info-panel h3 {
      font-size: 1.3rem;
      color: #064e3b;
      margin-bottom: 16px;
    }

    .contact-info-panel p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 24px;
    }

    .contact-details {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
    }

    .contact-details li {
      font-size: 0.92rem;
      color: var(--text-main);
    }

    .qr-box {
      display: inline-block;
      padding: 12px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      text-align: center;
    }

    .qr-box img {
      max-width: 140px;
      height: auto;
      display: block;
      margin: 0 auto 6px;
    }

    .qr-box span {
      font-size: 0.8rem;
      color: var(--text-light);
    }

    form.demand-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-group label {
      font-size: 0.9rem;
      font-weight: 600;
      color: #064e3b;
    }

    .form-control {
      width: 100%;
      padding: 11px 14px;
      border: 1px solid #cbd5e1;
      border-radius: 6px;
      font-size: 0.92rem;
      font-family: inherit;
      outline: none;
      transition: border-color 0.2s ease;
    }

    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
    }

    textarea.form-control {
      resize: vertical;
      min-height: 90px;
    }

    /* Footer */
    footer.site-footer {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 24px;
      color: var(--text-main);
    }

    .footer-top {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 32px;
      margin-bottom: 36px;
    }

    .footer-col h4 {
      font-size: 1rem;
      color: #064e3b;
      margin-bottom: 16px;
      font-weight: 700;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .footer-links a:hover {
      color: var(--primary-dark);
    }

    .friend-links-box {
      border-top: 1px solid #e2e8f0;
      padding-top: 24px;
      margin-bottom: 24px;
    }

    .friend-links-box h4 {
      font-size: 0.92rem;
      color: #064e3b;
      margin-bottom: 12px;
    }

    .friend-links-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .friend-links-flex a {
      font-size: 0.85rem;
      color: var(--text-light);
      background: #f8fafc;
      padding: 4px 10px;
      border-radius: 4px;
      border: 1px solid #e2e8f0;
    }

    .friend-links-flex a:hover {
      color: var(--primary-dark);
      border-color: var(--primary);
    }

    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      padding-top: 20px;
      text-align: center;
      font-size: 0.85rem;
      color: var(--text-light);
    }

    /* Floating Tools */
    .float-tools {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #ffffff;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      color: var(--primary-dark);
      font-weight: 700;
      font-size: 0.85rem;
      transition: all 0.2s ease;
    }

    .float-btn:hover {
      background: var(--primary);
      color: #ffffff;
      transform: scale(1.05);
    }

    /* Responsive */
    @media (max-width: 992px) {
      .hero-title {
        font-size: 2rem;
      }
      .hero-stats-grid,
      .intro-grid,
      .service-grid,
      .solution-grid,
      .flow-steps-grid,
      .cases-grid,
      .token-grid,
      .testimonials-grid,
      .agency-grid,
      .footer-top {
        grid-template-columns: repeat(2, 1fr);
      }
      .one-stop-grid,
      .form-wrapper {
        grid-template-columns: 1fr;
      }
      .nav-links {
        display: none;
      }
      .nav-links.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
        gap: 8px;
        box-shadow: var(--shadow-md);
      }
      .menu-toggle {
        display: block;
      }
    }

    @media (max-width: 640px) {
      .hero-title {
        font-size: 1.6rem;
      }
      .section-title {
        font-size: 1.5rem;
      }
      .hero-stats-grid,
      .intro-grid,
      .service-grid,
      .solution-grid,
      .network-grid,
      .flow-steps-grid,
      .cases-grid,
      .token-grid,
      .testimonials-grid,
      .agency-grid,
      .footer-top,
      .article-links-list {
        grid-template-columns: 1fr;
      }
      .review-score-panel {
        flex-direction: column;
        align-items: flex-start;
      }
      .score-right {
        width: 100%;
        justify-content: space-between;
      }
    }