/* CSS Reset & Variables - 艳色潮流风：活力高对比色结合清爽基底 */
    :root {
      --primary: #581c87;
      --primary-accent: #7c3aed;
      --secondary: #ec4899;
      --accent-cyan: #06b6d4;
      --accent-yellow: #f59e0b;
      --bg-main: #f8fafc;
      --bg-surface: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #e2e8f0;
      --gradient-pop: linear-gradient(135deg, #7c3aed 0%, #ec4899 50%, #f59e0b 100%);
      --gradient-brand: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
      --gradient-soft: linear-gradient(180deg, #fdf4ff 0%, #faf5ff 50%, #f8fafc 100%);
      --shadow-sm: 0 2px 8px rgba(99, 102, 241, 0.06);
      --shadow-md: 0 8px 24px rgba(124, 58, 237, 0.1);
      --shadow-hover: 0 16px 36px rgba(236, 72, 153, 0.18);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

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

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

    /* Container System */
    .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: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
    }

    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

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

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

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

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* 强制满足约束 */
      list-style: none;
    }

    .nav-links li a {
      display: inline-block;
      padding: 8px 14px;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-muted);
      border-radius: var(--radius-sm);
    }

    .nav-links li a:hover,
    .nav-links li a.active {
      color: var(--primary-accent);
      background-color: rgba(124, 58, 237, 0.08);
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 700;
      border-radius: 999px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition);
      text-align: center;
      white-space: nowrap;
    }

    .btn-pop {
      background: var(--gradient-pop);
      color: #ffffff;
      box-shadow: 0 4px 14px rgba(236, 72, 153, 0.35);
    }

    .btn-pop:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(236, 72, 153, 0.45);
      color: #ffffff;
    }

    .btn-primary {
      background-color: var(--primary-accent);
      color: #ffffff;
    }

    .btn-primary:hover {
      background-color: #6d28d9;
      transform: translateY(-2px);
      color: #ffffff;
    }

    .btn-outline {
      border-color: var(--primary-accent);
      color: var(--primary-accent);
      background-color: transparent;
    }

    .btn-outline:hover {
      background-color: rgba(124, 58, 237, 0.08);
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 6px 14px;
      font-size: 0.85rem;
    }

    .btn-lg {
      padding: 14px 32px;
      font-size: 1.1rem;
    }

    .nav-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--text-main);
      cursor: pointer;
      padding: 6px;
    }

    /* Section Global */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px auto;
    }

    .section-badge {
      display: inline-block;
      padding: 4px 14px;
      background: rgba(124, 58, 237, 0.1);
      color: var(--primary-accent);
      font-size: 0.85rem;
      font-weight: 700;
      border-radius: 999px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
    }

    /* Hero Section - 纯 CSS 潮流图形与科技质感，严格无图片 */
    .hero-section {
      background: var(--gradient-soft);
      padding: 90px 0 80px 0;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-bg-shapes {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 1;
      overflow: hidden;
    }

    .shape-blob {
      position: absolute;
      border-radius: 50%;
      filter: blur(60px);
      opacity: 0.45;
      animation: pulseGlow 8s infinite alternate;
    }

    .shape-1 {
      width: 380px;
      height: 380px;
      background: #c084fc;
      top: -80px;
      left: -60px;
    }

    .shape-2 {
      width: 420px;
      height: 420px;
      background: #f472b6;
      bottom: -100px;
      right: -80px;
      animation-delay: -3s;
    }

    .shape-3 {
      width: 300px;
      height: 300px;
      background: #38bdf8;
      top: 30%;
      right: 25%;
      animation-delay: -5s;
    }

    @keyframes pulseGlow {
      0% { transform: scale(1) translate(0, 0); }
      100% { transform: scale(1.12) translate(20px, -20px); }
    }

    .hero-inner {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background: #ffffff;
      border: 1px solid rgba(124, 58, 237, 0.2);
      border-radius: 999px;
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary-accent);
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-eyebrow .dot {
      width: 8px;
      height: 8px;
      background: #ec4899;
      border-radius: 50%;
      display: inline-block;
      animation: blinkDot 1.6s infinite;
    }

    @keyframes blinkDot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.3; transform: scale(0.8); }
    }

    /* H1 精炼控制在 20 字以内 */
    .hero-title {
      font-size: 2.8rem;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -0.8px;
    }

    .hero-desc {
      font-size: 1.2rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 780px;
      margin-left: auto;
      margin-right: auto;
    }

    .hero-cta-group {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }

    /* 首屏数据指标卡片 */
    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-top: 20px;
    }

    .stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      border-top: 4px solid var(--primary-accent);
    }

    .stat-card:nth-child(2) { border-top-color: var(--secondary); }
    .stat-card:nth-child(3) { border-top-color: var(--accent-cyan); }
    .stat-card:nth-child(4) { border-top-color: var(--accent-yellow); }

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

    .stat-number {
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-light);
    }

    /* Platform Showcase Banner Area */
    .intro-banner-strip {
      background: #ffffff;
      padding: 40px 0;
      border-bottom: 1px solid var(--border-color);
    }

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

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

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

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

    .banner-item-info {
      padding: 16px;
    }

    .banner-item-info h3 {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .banner-item-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* Models Ecosystem Bar */
    .models-bar {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 40px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 16px;
    }

    .model-chip {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      background: var(--bg-alt);
      color: var(--text-main);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 999px;
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

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

    /* Grid Layouts for Features & Services */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

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

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

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(236, 72, 153, 0.4);
    }

    .card-icon-pill {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(124, 58, 237, 0.1);
      color: var(--primary-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .card-title {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .card-text {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

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

    .card-tag {
      font-size: 0.75rem;
      padding: 2px 8px;
      background: var(--bg-alt);
      color: var(--text-muted);
      border-radius: 4px;
      font-weight: 600;
    }

    /* Media Showcase Section */
    .showcase-flex {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      align-items: center;
      background: var(--bg-surface);
      padding: 36px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      margin-bottom: 30px;
    }

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

    .showcase-media img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }

    .showcase-media:hover img {
      transform: scale(1.02);
    }

    .showcase-content h3 {
      font-size: 1.6rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--text-main);
    }

    .showcase-content p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .badge-check-list {
      list-style: none;
      margin-bottom: 24px;
    }

    .badge-check-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .badge-check-list li::before {
      content: "✓";
      color: #10b981;
      font-weight: 900;
    }

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

    .step-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .step-num {
      position: absolute;
      top: 16px;
      right: 16px;
      font-size: 1.6rem;
      font-weight: 900;
      color: rgba(124, 58, 237, 0.15);
    }

    .step-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .step-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* Comparison Table & Score */
    .evaluation-hero {
      background: #ffffff;
      border: 2px solid var(--primary-accent);
      border-radius: var(--radius-lg);
      padding: 32px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 30px;
      box-shadow: var(--shadow-md);
    }

    .eval-score-badge {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .eval-score-circle {
      width: 90px;
      height: 90px;
      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(236, 72, 153, 0.4);
    }

    .eval-score-circle .score {
      font-size: 1.8rem;
      font-weight: 900;
      line-height: 1;
    }

    .eval-score-circle .max {
      font-size: 0.75rem;
      opacity: 0.9;
    }

    .eval-details h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .eval-stars {
      color: #f59e0b;
      font-size: 1.2rem;
      font-weight: 700;
      letter-spacing: 2px;
    }

    .eval-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    .table-container {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }

    .comp-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.9rem;
    }

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

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

    .comp-table tr.highlight-row {
      background: rgba(124, 58, 237, 0.04);
      font-weight: 600;
    }

    .comp-table tr.highlight-row td:first-child {
      color: var(--primary-accent);
      font-weight: 700;
    }

    /* Token Price Cards */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

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

    .token-card.featured {
      border: 2px solid var(--secondary);
      position: relative;
    }

    .token-badge {
      position: absolute;
      top: -12px;
      right: 20px;
      background: var(--secondary);
      color: #ffffff;
      padding: 2px 10px;
      font-size: 0.75rem;
      font-weight: 800;
      border-radius: 999px;
    }

    .token-header h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }

    .token-price {
      font-size: 1.8rem;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 16px;
    }

    .token-price span {
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--text-light);
    }

    /* Testimonials Grid */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .review-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 12px;
    }

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

    .user-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .review-stars {
      color: #f59e0b;
      font-size: 0.9rem;
      margin-bottom: 8px;
    }

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

    /* FAQ Accordion */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      overflow: hidden;
      transition: var(--transition);
    }

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

    .faq-question {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 1rem;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }

    .faq-icon {
      font-size: 1.2rem;
      font-weight: 400;
      transition: transform 0.2s ease;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background: var(--bg-alt);
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      padding: 16px 24px;
      border-top: 1px solid var(--border-color);
    }

    .faq-answer p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* Articles & Poster Integration */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-bottom: 24px;
    }

    .article-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

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

    .article-card h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--text-main);
      line-height: 1.4;
    }

    .article-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    .article-link {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

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

    .poster-embed-box {
      background: var(--bg-surface);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    /* Demand Matching Form & Contact */
    .form-contact-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-md);
    }

    .form-side h3, .contact-side h3 {
      font-size: 1.4rem;
      font-weight: 800;
      margin-bottom: 12px;
      color: var(--text-main);
    }

    .form-side p, .contact-side p {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    .form-group {
      margin-bottom: 16px;
    }

    .form-label {
      display: block;
      font-size: 0.85rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 14px;
      font-size: 0.9rem;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      background: var(--bg-alt);
      color: var(--text-main);
      outline: none;
      transition: var(--transition);
      font-family: inherit;
    }

    .form-control:focus {
      border-color: var(--primary-accent);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
    }

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

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 24px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 0.95rem;
      color: var(--text-main);
    }

    .contact-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: rgba(124, 58, 237, 0.1);
      color: var(--primary-accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .qr-container {
      background: var(--bg-alt);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 16px;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
    }

    .qr-container img {
      width: 120px;
      height: 120px;
      object-fit: contain;
      border-radius: 4px;
      display: block;
    }

    .qr-container span {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-muted);
    }

    /* Footer & Safe Color Controls */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 24px 0;
      font-size: 0.9rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 32px;
      margin-bottom: 40px;
    }

    .footer-brand h4 {
      font-size: 1.25rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .footer-brand p {
      font-size: 0.85rem;
      line-height: 1.6;
      color: #cbd5e1;
      margin-bottom: 16px;
    }

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

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links li a {
      color: #cbd5e1;
      font-size: 0.85rem;
    }

    .footer-links li a:hover {
      color: #ffffff;
      padding-left: 4px;
    }

    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding-top: 10px;
    }

    .friend-links-wrap a {
      display: inline-block;
      padding: 4px 10px;
      background: rgba(255, 255, 255, 0.08);
      color: #cbd5e1;
      border-radius: 4px;
      font-size: 0.8rem;
    }

    .friend-links-wrap a:hover {
      background: var(--primary-accent);
      color: #ffffff;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.8rem;
      color: #94a3b8;
    }

    /* Float Service & Back to Top */
    .floating-tools {
      position: fixed;
      right: 20px;
      bottom: 24px;
      z-index: 999;
      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;
      color: var(--text-main);
      cursor: pointer;
      transition: var(--transition);
      font-size: 1.1rem;
    }

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

    /* Responsive Queries */
    @media (max-width: 992px) {
      .hero-title { font-size: 2.2rem; }
      .cards-grid-4 { grid-template-columns: repeat(2, 1fr); }
      .cards-grid-3, .banner-grid, .token-grid, .reviews-grid, .articles-grid { grid-template-columns: repeat(2, 1fr); }
      .process-steps { grid-template-columns: repeat(2, 1fr); }
      .showcase-flex { grid-template-columns: 1fr; }
      .form-contact-wrap { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .hero-stats-grid { grid-template-columns: repeat(2, 1fr); }
      .evaluation-hero { flex-direction: column; text-align: center; }
      .eval-score-badge { flex-direction: column; }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        border-bottom: 1px solid var(--border-color);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li { width: 100%; text-align: center; }
      .nav-links li a { display: block; padding: 12px; }
      .nav-toggle { display: block; }
      .hero-title { font-size: 1.8rem; }
      .cards-grid-4, .cards-grid-3, .banner-grid, .token-grid, .reviews-grid, .articles-grid, .process-steps, .hero-stats-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
      .section-title { font-size: 1.8rem; }
    }