/* CSS Reset & Global Vars */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    :root {
      --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --bg-base: #FAF9F6;
      --bg-alt: #F3F4F6;
      --bg-card: #FFFFFF;
      --text-dark: #1E293B;
      --text-muted: #64748B;
      --brand-yellow: #FFE600;
      --brand-pink: #FF2E93;
      --brand-blue: #2563EB;
      --brand-cyan: #06B6D4;
      --brand-green: #10B981;
      --brand-purple: #8B5CF6;
      --border-dark: #1E293B;
      --shadow-hard: 4px 4px 0px #1E293B;
      --shadow-hard-lg: 6px 6px 0px #1E293B;
      --shadow-hard-sm: 2px 2px 0px #1E293B;
      --radius: 12px;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      font-family: var(--font-main);
      background-color: var(--bg-base);
      color: var(--text-dark);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: radial-gradient(circle at 1px 1px, rgba(30, 41, 59, 0.08) 1px, transparent 0);
      background-size: 24px 24px;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

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

    /* Top Utility Bar */
    .top-bar {
      background-color: var(--brand-yellow);
      border-bottom: 2px solid var(--border-dark);
      padding: 6px 0;
      font-size: 0.85rem;
      font-weight: 700;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
    }
    .top-bar-badge {
      display: inline-flex;
      align-items: center;
      background: #FFFFFF;
      border: 1.5px solid var(--border-dark);
      padding: 2px 8px;
      border-radius: 20px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }
    .top-bar-links {
      display: flex;
      gap: 15px;
    }

    /* Main Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background-color: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 2px solid var(--border-dark);
      transition: all 0.3s ease;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo-box {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .logo-box img.ai-page-logo {
      height: 42px;
      width: auto;
      object-fit: contain;
      border-radius: 6px;
    }
    .brand-title-wrap {
      display: flex;
      flex-direction: column;
    }
    .brand-name {
      font-size: 1.25rem;
      font-weight: 900;
      color: var(--border-dark);
      letter-spacing: -0.5px;
      line-height: 1.2;
    }
    .brand-tagline {
      font-size: 0.7rem;
      font-weight: 700;
      color: var(--brand-pink);
      text-transform: uppercase;
    }
    
    /* Navigation */
    .main-nav {
      display: flex;
      align-items: center;
    }
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }
    .nav-links li a {
      font-weight: 700;
      font-size: 0.92rem;
      padding: 8px 12px;
      border-radius: 8px;
      color: var(--text-dark);
      display: inline-block;
    }
    .nav-links li a:hover {
      background-color: var(--brand-yellow);
      color: var(--border-dark);
      transform: translateY(-2px);
    }
    .nav-cta-btn {
      margin-left: 12px;
      background-color: var(--brand-pink);
      color: #FFFFFF !important;
      font-weight: 800;
      padding: 9px 18px;
      border: 2px solid var(--border-dark);
      border-radius: 8px;
      box-shadow: var(--shadow-hard-sm);
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .nav-cta-btn:hover {
      background-color: #E6007A;
      box-shadow: var(--shadow-hard);
      transform: translate(-1px, -1px);
    }

    .mobile-menu-toggle {
      display: none;
      background: var(--brand-yellow);
      border: 2px solid var(--border-dark);
      border-radius: 6px;
      padding: 6px 10px;
      font-weight: 900;
      cursor: pointer;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    /* Section Styling */
    section {
      padding: 70px 0;
      position: relative;
    }
    .section-alt {
      background-color: #F8FAFC;
      border-top: 2px solid var(--border-dark);
      border-bottom: 2px solid var(--border-dark);
    }
    .section-accent {
      background: linear-gradient(135deg, #EFF6FF 0%, #FAF5FF 100%);
      border-top: 2px solid var(--border-dark);
      border-bottom: 2px solid var(--border-dark);
    }
    
    .section-header {
      text-align: center;
      margin-bottom: 45px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }
    .section-tag {
      display: inline-block;
      background-color: var(--brand-yellow);
      border: 2px solid var(--border-dark);
      padding: 4px 14px;
      font-size: 0.85rem;
      font-weight: 800;
      border-radius: 30px;
      box-shadow: 3px 3px 0 var(--border-dark);
      margin-bottom: 12px;
      text-transform: uppercase;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 900;
      color: var(--border-dark);
      line-height: 1.3;
      margin-bottom: 12px;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* Graffiti Decorative Components */
    .graffiti-sticker {
      position: absolute;
      font-size: 0.75rem;
      font-weight: 900;
      padding: 4px 10px;
      border: 2px solid var(--border-dark);
      border-radius: 6px;
      box-shadow: 3px 3px 0 var(--border-dark);
      pointer-events: none;
      z-index: 2;
    }

    /* Hero Section (Strictly Zero Images) */
    .hero-section {
      padding: 80px 0 70px 0;
      background: linear-gradient(180deg, #FFFFFF 0%, #FFFBEB 100%);
      border-bottom: 2px solid var(--border-dark);
      position: relative;
    }
    .hero-wrapper {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }
    .hero-badge-row {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-bottom: 20px;
    }
    .badge-pop {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      padding: 4px 12px;
      border-radius: 8px;
      font-size: 0.85rem;
      font-weight: 800;
      box-shadow: 2px 2px 0 var(--border-dark);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .badge-pop.blue { background-color: #DBEAFE; }
    .badge-pop.pink { background-color: #FCE7F3; color: #BE185D; }
    .badge-pop.green { background-color: #D1FAE5; color: #047857; }

    .hero-title {
      font-size: 2.5rem;
      font-weight: 900;
      line-height: 1.2;
      color: var(--border-dark);
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .hero-title span.highlight-yellow {
      background-color: var(--brand-yellow);
      padding: 2px 8px;
      border: 2px solid var(--border-dark);
      border-radius: 6px;
      box-shadow: 3px 3px 0 var(--border-dark);
      display: inline-block;
      transform: rotate(-1deg);
    }
    .hero-title span.highlight-blue {
      color: var(--brand-blue);
      text-decoration: underline wavy var(--brand-pink);
      text-underline-offset: 6px;
    }
    .hero-desc {
      font-size: 1.1rem;
      color: #334155;
      font-weight: 500;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      margin-bottom: 30px;
    }
    .btn-main {
      font-size: 1.05rem;
      font-weight: 900;
      padding: 14px 28px;
      border: 2px solid var(--border-dark);
      border-radius: 10px;
      box-shadow: var(--shadow-hard);
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      text-align: center;
    }
    .btn-main:hover {
      transform: translate(-2px, -2px);
      box-shadow: var(--shadow-hard-lg);
    }
    .btn-primary {
      background-color: var(--brand-pink);
      color: #FFFFFF;
    }
    .btn-portal {
      background-color: var(--brand-yellow);
      color: var(--border-dark);
      border: 3px solid var(--border-dark);
      font-size: 1.15rem;
      box-shadow: 5px 5px 0 var(--border-dark);
    }
    .btn-portal:hover {
      background-color: #FFD000;
    }
    .btn-secondary {
      background-color: #FFFFFF;
      color: var(--border-dark);
    }

    /* Hero Pure-CSS Interactive Card Box (NO IMAGES) */
    .hero-visual-card {
      background: #FFFFFF;
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      padding: 24px;
      box-shadow: 8px 8px 0 var(--border-dark);
      position: relative;
    }
    .terminal-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 2px solid var(--border-dark);
      padding-bottom: 12px;
      margin-bottom: 16px;
    }
    .terminal-dots {
      display: flex;
      gap: 6px;
    }
    .terminal-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 1.5px solid var(--border-dark);
    }
    .dot-red { background: #EF4444; }
    .dot-yellow { background: #F59E0B; }
    .dot-green { background: #10B981; }
    .terminal-tag {
      font-size: 0.75rem;
      font-weight: 800;
      background: var(--bg-alt);
      padding: 2px 8px;
      border-radius: 4px;
      border: 1px solid var(--border-dark);
    }
    .terminal-content {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .model-chip-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 8px;
    }
    .model-chip {
      background: #F8FAFC;
      border: 1.5px solid var(--border-dark);
      padding: 8px 6px;
      border-radius: 6px;
      font-size: 0.8rem;
      font-weight: 800;
      text-align: center;
      box-shadow: 2px 2px 0 var(--border-dark);
    }
    .model-chip.active {
      background: var(--brand-yellow);
    }
    .workflow-box {
      background: #EEF2F6;
      border: 2px dashed var(--border-dark);
      border-radius: 8px;
      padding: 12px;
      font-size: 0.85rem;
      font-weight: 700;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .workflow-step-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .status-pill {
      background: #10B981;
      color: #FFFFFF;
      padding: 1px 8px;
      border-radius: 12px;
      font-size: 0.7rem;
      font-weight: 800;
    }

    /* Grid & Cards Base */
    .cards-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .cards-grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .pop-card {
      background: var(--bg-card);
      border: 2px solid var(--border-dark);
      border-radius: var(--radius);
      padding: 24px;
      box-shadow: var(--shadow-hard);
      transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      position: relative;
      display: flex;
      flex-direction: column;
    }
    .pop-card:hover {
      transform: translate(-3px, -3px);
      box-shadow: var(--shadow-hard-lg);
    }
    .card-icon-badge {
      width: 48px;
      height: 48px;
      border: 2px solid var(--border-dark);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1.25rem;
      margin-bottom: 16px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }
    .card-title {
      font-size: 1.2rem;
      font-weight: 800;
      margin-bottom: 8px;
      color: var(--border-dark);
    }
    .card-desc {
      font-size: 0.92rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 14px;
      flex-grow: 1;
    }
    .card-footer-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      margin-top: auto;
    }
    .mini-tag {
      font-size: 0.72rem;
      font-weight: 700;
      padding: 2px 6px;
      border: 1px solid var(--border-dark);
      border-radius: 4px;
      background: var(--bg-alt);
    }

    /* Model Matrix Badge Grid */
    .model-matrix-wrap {
      background: #FFFFFF;
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-hard-lg);
      margin-top: 30px;
    }
    .model-tags-flex {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
    }
    .model-tag-item {
      background: #F8FAFC;
      border: 2px solid var(--border-dark);
      padding: 8px 16px;
      border-radius: 30px;
      font-weight: 800;
      font-size: 0.9rem;
      box-shadow: 2px 2px 0 var(--border-dark);
      transition: all 0.2s;
    }
    .model-tag-item:hover {
      background: var(--brand-yellow);
      transform: scale(1.05);
    }

    /* Comparison Table Component */
    .comparison-wrapper {
      background: #FFFFFF;
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-hard-lg);
      overflow-x: auto;
    }
    .rating-banner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: var(--brand-yellow);
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      padding: 16px 24px;
      margin-bottom: 24px;
      box-shadow: var(--shadow-hard);
      flex-wrap: wrap;
      gap: 15px;
    }
    .rating-score-box {
      display: flex;
      align-items: baseline;
      gap: 8px;
    }
    .rating-number {
      font-size: 2.2rem;
      font-weight: 900;
      color: var(--brand-pink);
    }
    .rating-stars {
      font-size: 1.3rem;
      color: #EA580C;
    }
    .pop-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 0.95rem;
    }
    .pop-table th, .pop-table td {
      padding: 14px 16px;
      border: 2px solid var(--border-dark);
    }
    .pop-table th {
      background: #F1F5F9;
      font-weight: 900;
      font-size: 1rem;
    }
    .pop-table th.highlight-col, .pop-table td.highlight-col {
      background: #FEF9C3;
      font-weight: 800;
    }

    /* Workflow Timeline */
    .timeline-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-card {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      padding: 24px 18px;
      box-shadow: var(--shadow-hard);
      position: relative;
    }
    .step-number {
      position: absolute;
      top: -14px;
      left: 18px;
      background: var(--brand-pink);
      color: #FFFFFF;
      border: 2px solid var(--border-dark);
      font-size: 0.9rem;
      font-weight: 900;
      padding: 2px 10px;
      border-radius: 12px;
      box-shadow: 2px 2px 0 var(--border-dark);
    }

    /* Testimonials & Reviews */
    .testimonial-card {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      border-radius: 14px;
      padding: 22px;
      box-shadow: var(--shadow-hard);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .user-info {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1.5px dashed var(--border-dark);
    }
    .user-avatar-badge {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--brand-cyan);
      border: 2px solid var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 1rem;
    }
    .user-meta-name {
      font-weight: 800;
      font-size: 0.95rem;
    }
    .user-meta-role {
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    /* FAQ Accordion */
    .faq-list {
      max-width: 880px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .faq-item {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      border-radius: 10px;
      box-shadow: var(--shadow-hard-sm);
      overflow: hidden;
    }
    .faq-question {
      padding: 16px 20px;
      font-weight: 800;
      font-size: 1.05rem;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
      background: #FFFFFF;
    }
    .faq-question:hover {
      background: #FDF4FF;
    }
    .faq-icon {
      font-size: 1.2rem;
      font-weight: 900;
      transition: transform 0.2s;
    }
    .faq-answer {
      display: none;
      padding: 0 20px 18px 20px;
      font-size: 0.95rem;
      color: #334155;
      line-height: 1.7;
      border-top: 1px dashed #CBD5E1;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    /* Form & Contact Section */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .contact-info-panel {
      background: var(--brand-yellow);
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-hard-lg);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .qr-container {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      padding: 16px;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      gap: 8px;
      width: fit-content;
      box-shadow: var(--shadow-hard-sm);
    }
    .qr-container img {
      width: 140px;
      height: 140px;
      object-fit: cover;
      border-radius: 6px;
    }
    
    .form-panel {
      background: #FFFFFF;
      border: 3px solid var(--border-dark);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-hard-lg);
    }
    .form-group {
      margin-bottom: 16px;
    }
    .form-group label {
      display: block;
      font-weight: 800;
      font-size: 0.9rem;
      margin-bottom: 6px;
      color: var(--border-dark);
    }
    .form-control {
      width: 100%;
      padding: 12px 14px;
      border: 2px solid var(--border-dark);
      border-radius: 8px;
      font-size: 0.95rem;
      font-family: inherit;
      background: #F8FAFC;
    }
    .form-control:focus {
      outline: none;
      background: #FFFFFF;
      box-shadow: 0 0 0 3px rgba(255, 230, 0, 0.6);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* Media Gallery Showcases */
    .media-gallery-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 24px;
    }
    .media-card {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-hard);
    }
    .media-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      border-bottom: 2px solid var(--border-dark);
    }
    .media-card-body {
      padding: 14px 16px;
    }
    .media-card-title {
      font-size: 1rem;
      font-weight: 800;
      margin-bottom: 4px;
    }

    /* Article & Links Section */
    .article-links-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .link-list-box {
      background: #FFFFFF;
      border: 2px solid var(--border-dark);
      border-radius: 12px;
      padding: 20px;
      box-shadow: var(--shadow-hard);
    }
    .link-items-styled {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .link-items-styled li a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: #F8FAFC;
      border: 1.5px solid var(--border-dark);
      border-radius: 6px;
      font-weight: 700;
      font-size: 0.9rem;
    }
    .link-items-styled li a:hover {
      background: var(--brand-yellow);
      transform: translateX(4px);
    }

    /* Footer */
    .site-footer {
      background-color: #0F172A;
      color: #E2E8F0;
      border-top: 3px solid var(--border-dark);
      padding: 50px 0 20px 0;
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 40px;
    }
    .footer-heading {
      color: var(--brand-yellow);
      font-size: 1.1rem;
      font-weight: 900;
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }
    .footer-links-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-links-list li a {
      color: #94A3B8;
      font-size: 0.9rem;
      font-weight: 500;
    }
    .footer-links-list li a:hover {
      color: #FFFFFF;
      text-decoration: underline;
    }
    .friend-links-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 20px 0;
      border-top: 1px solid #334155;
      border-bottom: 1px solid #334155;
      margin-bottom: 24px;
    }
    .friend-links-wrap a {
      color: #CBD5E1;
      font-size: 0.85rem;
      background: #1E293B;
      border: 1px solid #475569;
      padding: 4px 10px;
      border-radius: 4px;
    }
    .friend-links-wrap a:hover {
      background: var(--brand-pink);
      color: #FFFFFF;
      border-color: var(--brand-pink);
    }
    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 15px;
      font-size: 0.85rem;
      color: #64748B;
    }

    /* Floating Widget */
    .floating-widget {
      position: fixed;
      right: 20px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: 2px solid var(--border-dark);
      background: var(--brand-yellow);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      box-shadow: 3px 3px 0 var(--border-dark);
      cursor: pointer;
      font-size: 1.1rem;
    }
    .float-btn.kefu {
      background: var(--brand-pink);
      color: #FFFFFF;
    }
    .float-btn:hover {
      transform: scale(1.1);
    }

    /* Responsive Queries */
    @media (max-width: 992px) {
      .hero-wrapper {
        grid-template-columns: 1fr;
      }
      .cards-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
      }
      .contact-grid {
        grid-template-columns: 1fr;
      }
      .media-gallery-grid {
        grid-template-columns: 1fr 1fr;
      }
      .article-links-grid {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .main-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        border-bottom: 3px solid var(--border-dark);
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
      }
      .main-nav.active {
        display: block;
      }
      .nav-links {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0;
      }
      .nav-links li {
        width: 100%;
        border-bottom: 1px solid #F1F5F9;
      }
      .nav-links li a {
        width: 100%;
        padding: 10px 0;
      }
      .nav-cta-btn {
        margin-left: 0;
        margin-top: 14px;
        width: 100%;
      }
      .hero-title {
        font-size: 1.85rem;
      }
      .section-title {
        font-size: 1.6rem;
      }
      .cards-grid-3, .cards-grid-2, .cards-grid-4 {
        grid-template-columns: 1fr;
      }
      .timeline-steps {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .media-gallery-grid {
        grid-template-columns: 1fr;
      }
    }