/* CSS Standard Reset & Design System - Mint Fresh Light Style */
    :root {
      --primary-color: #10b981;
      --primary-hover: #059669;
      --primary-light: #e6f7f0;
      --accent-color: #06b6d4;
      --bg-main: #f4fbf7;
      --bg-card: #ffffff;
      --bg-alt: #eaf5ef;
      --text-main: #0f172a;
      --text-muted: #475569;
      --text-light: #64748b;
      --border-color: #d1fae5;
      --border-hover: #a7f3d0;
      --shadow-sm: 0 2px 8px rgba(16, 185, 129, 0.06);
      --shadow-md: 0 8px 24px rgba(16, 185, 129, 0.1);
      --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.08);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --max-width: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background-color: var(--bg-main);
    }

    a {
      color: var(--primary-color);
      text-decoration: none;
      transition: all 0.25s ease;
    }

    a:hover {
      color: var(--primary-hover);
    }

    /* Container Standard */
    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

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

    .section-alt {
      background-color: var(--bg-alt);
    }

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

    .section-tag {
      display: inline-block;
      padding: 6px 16px;
      background-color: var(--primary-light);
      color: var(--primary-hover);
      font-size: 14px;
      font-weight: 600;
      border-radius: 50px;
      margin-bottom: 12px;
      border: 1px solid var(--border-color);
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--text-main);
      letter-spacing: -0.5px;
      margin-bottom: 12px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
    }

    /* Navbar */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .ai-page-logo {
      height: 40px;
      width: auto;
      object-fit: contain;
    }

    .brand-name {
      font-size: 20px;
      font-weight: 800;
      color: var(--text-main);
      letter-spacing: -0.5px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 0; /* STRICT RULE: gap must be 0 */
      list-style: none;
    }

    .nav-links li a {
      display: inline-block;
      padding: 10px 14px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-main);
      border-radius: var(--radius-sm);
      transition: all 0.2s ease;
    }

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

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 26px;
      font-size: 15px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      text-align: center;
    }

    .btn-primary {
      background-color: var(--primary-color);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
    }

    .btn-primary:hover {
      background-color: var(--primary-hover);
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    }

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

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

    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text-main);
      cursor: pointer;
    }

    /* Hero Section (NO IMAGES PER RULE) */
    .hero-section {
      padding: 90px 0 70px 0;
      background: linear-gradient(135deg, #ffffff 0%, #e6f7f0 50%, #f4fbf7 100%);
      text-align: center;
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      background-color: rgba(16, 185, 129, 0.12);
      border: 1px solid rgba(16, 185, 129, 0.25);
      border-radius: 50px;
      color: var(--primary-hover);
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 44px;
      font-weight: 900;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -1px;
    }

    .hero-description {
      font-size: 19px;
      color: var(--text-muted);
      max-width: 840px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    .hero-stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 960px;
      margin: 0 auto;
    }

    .hero-stat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.3s ease;
    }

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

    .hero-stat-num {
      font-size: 32px;
      font-weight: 800;
      color: var(--primary-color);
      line-height: 1;
      margin-bottom: 8px;
    }

    .hero-stat-desc {
      font-size: 14px;
      color: var(--text-light);
    }

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

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

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: all 0.3s ease;
    }

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

    .card-icon {
      width: 48px;
      height: 48px;
      background: var(--primary-light);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--primary-hover);
      margin-bottom: 18px;
    }

    .card-title {
      font-size: 19px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .card-text {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Model Badges Wall */
    .model-tags-container {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      margin-top: 24px;
    }

    .model-tag {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 8px 16px;
      border-radius: 50px;
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
      transition: all 0.2s ease;
    }

    .model-tag:hover {
      background-color: var(--primary-color);
      color: #ffffff;
      border-color: var(--primary-color);
      transform: scale(1.05);
    }

    /* Media & Cases Showcase */
    .media-card {
      background: var(--bg-card);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .media-card-img-wrap {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background: #f1f5f9;
    }

    .ai-page-image, .media-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .media-card:hover .ai-page-image, .media-card:hover .media-card-img-wrap img {
      transform: scale(1.04);
    }

    .media-card-body {
      padding: 20px;
    }

    /* Step Process Timeline */
    .process-timeline {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 16px;
      position: relative;
    }

    .process-step {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px 16px;
      text-align: center;
      position: relative;
    }

    .process-number {
      width: 36px;
      height: 36px;
      background: var(--primary-color);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin: 0 auto 14px auto;
    }

    /* Comparison Table */
    .comparison-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
    }

    .score-banner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: linear-gradient(135deg, #e6f7f0 0%, #d1fae5 100%);
      border-radius: var(--radius-md);
      padding: 20px 30px;
      margin-bottom: 24px;
      border: 1px solid var(--border-hover);
    }

    .score-rating {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-hover);
    }

    .stars {
      color: #f59e0b;
      font-size: 22px;
      margin-left: 8px;
    }

    .table-responsive {
      overflow-x: auto;
    }

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

    .comparison-table th, .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 15px;
    }

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

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

    .highlight-col {
      background-color: rgba(16, 185, 129, 0.05);
      font-weight: 600;
      color: var(--primary-hover);
    }

    /* FAQ Accordion */
    .faq-list {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

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

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

    .faq-header {
      padding: 20px 24px;
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-icon {
      font-size: 20px;
      color: var(--primary-color);
      transition: transform 0.3s ease;
    }

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

    .faq-body {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      background-color: #fafdfc;
      color: var(--text-muted);
      font-size: 15px;
      padding: 0 24px;
    }

    .faq-item.active .faq-body {
      max-height: 300px;
      padding: 0 24px 20px 24px;
    }

    /* Form Design */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: start;
    }

    .form-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
      box-shadow: var(--shadow-md);
    }

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

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

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: var(--radius-sm);
      font-size: 15px;
      transition: border-color 0.2s ease;
      outline: none;
    }

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

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

    .contact-info-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 36px;
    }

    .qr-code-box {
      margin-top: 20px;
      text-align: center;
      padding: 16px;
      background: var(--primary-light);
      border-radius: var(--radius-md);
      display: inline-block;
    }

    .qr-code-box img {
      max-width: 160px;
      height: auto;
      border-radius: var(--radius-sm);
    }

    /* User Reviews */
    .review-card {
      background: #ffffff;
      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;
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid #f1f5f9;
    }

    .avatar-placeholder {
      width: 42px;
      height: 42px;
      background: var(--primary-light);
      color: var(--primary-hover);
      font-weight: 700;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

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

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }

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

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

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

    .footer-links a {
      color: #94a3b8;
    }

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

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

    .friend-links-box span {
      color: #e2e8f0;
      font-weight: 600;
      margin-right: 12px;
    }

    .friend-links-box a {
      color: #94a3b8;
      margin-right: 16px;
      display: inline-block;
      margin-bottom: 8px;
    }

    .friend-links-box a:hover {
      color: var(--primary-color);
    }

    .footer-bottom {
      text-align: center;
      padding-top: 24px;
      border-top: 1px solid #1e293b;
      color: #64748b;
    }

    /* Floating Customer Service Widget */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      background: var(--primary-color);
      color: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 16px rgba(0,0,0,0.2);
      cursor: pointer;
      font-size: 20px;
      transition: transform 0.2s ease;
    }

    .float-btn:hover {
      transform: scale(1.1);
      background: var(--primary-hover);
    }

    /* Responsive Breakdown */
    @media (max-width: 1024px) {
      .hero-stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(3, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .mobile-menu-btn {
        display: block;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-description {
        font-size: 16px;
      }
      .grid-3, .grid-2, .grid-4 {
        grid-template-columns: 1fr;
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .score-banner {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
    }