:root {
      --bg-base: #060913;
      --bg-surface: #0c1222;
      --bg-card: rgba(16, 25, 46, 0.75);
      --bg-card-hover: rgba(22, 36, 68, 0.9);
      --neon-cyan: #00f2fe;
      --neon-purple: #9d4edd;
      --neon-pink: #ff2a85;
      --neon-emerald: #00f5a0;
      --text-main: #f8fafc;
      --text-sub: #94a3b8;
      --text-muted: #64748b;
      --border-line: rgba(0, 242, 254, 0.18);
      --border-glow: rgba(0, 242, 254, 0.4);
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --container-max: 1200px;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

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

    body {
      background-color: var(--bg-base);
      background-image: 
        radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(157, 78, 221, 0.09) 0%, transparent 45%),
        radial-gradient(circle at 50% 85%, rgba(0, 245, 160, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, #060913 0%, #0a0e1c 100%);
      background-attachment: fixed;
      color: var(--text-main);
      font-family: var(--font-stack);
      line-height: 1.6;
      overflow-x: hidden;
      min-height: 100vh;
    }

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

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(6, 9, 19, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-line);
      transition: var(--transition-smooth);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
    }

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

    .brand-wrap .ai-page-logo {
      height: 42px;
      width: auto;
      filter: drop-shadow(0 0 10px rgba(0, 242, 254, 0.4));
    }

    .brand-title {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      color: #ffffff;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .brand-badge {
      font-size: 0.7rem;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      color: #060913;
      padding: 2px 8px;
      border-radius: 20px;
      font-weight: 800;
      text-transform: uppercase;
    }

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

    .nav-item a {
      color: var(--text-sub);
      font-size: 0.95rem;
      font-weight: 500;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      display: inline-block;
    }

    .nav-item a:hover {
      color: var(--neon-cyan);
      background: rgba(0, 242, 254, 0.08);
      text-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: 30px;
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: var(--transition-smooth);
      text-align: center;
    }

    .btn-neon {
      background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
      color: #060913;
      box-shadow: 0 0 20px rgba(0, 242, 254, 0.45);
    }

    .btn-neon:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 242, 254, 0.75);
      background: linear-gradient(135deg, #00f5a0 0%, #00f2fe 100%);
    }

    .btn-outline {
      background: rgba(16, 25, 46, 0.6);
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
    }

    .btn-outline:hover {
      background: rgba(0, 242, 254, 0.15);
      box-shadow: 0 0 16px rgba(0, 242, 254, 0.35);
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      background: transparent;
      border: 1px solid var(--border-line);
      color: var(--text-main);
      padding: 8px;
      border-radius: var(--radius-sm);
      cursor: pointer;
    }

    .menu-toggle svg {
      width: 24px;
      height: 24px;
      fill: currentColor;
    }

    .hero-section {
      padding: 84px 0 60px;
      position: relative;
    }

    .hero-inner {
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 18px;
      border-radius: 30px;
      background: rgba(0, 242, 254, 0.08);
      border: 1px solid rgba(0, 242, 254, 0.3);
      font-size: 0.85rem;
      color: var(--neon-cyan);
      margin-bottom: 24px;
      box-shadow: 0 0 16px rgba(0, 242, 254, 0.2);
    }

    .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--neon-emerald);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--neon-emerald);
    }

    .hero-title {
      font-size: clamp(2.2rem, 5vw, 3.4rem);
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
      color: #ffffff;
      text-shadow: 0 0 30px rgba(0, 242, 254, 0.25);
    }

    .hero-subtitle {
      font-size: clamp(1.05rem, 2vw, 1.25rem);
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 36px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }

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

    .btn-hero-main {
      padding: 14px 36px;
      font-size: 1.1rem;
      font-weight: 700;
      background: linear-gradient(135deg, #00f2fe 0%, #9d4edd 100%);
      color: #ffffff;
      box-shadow: 0 0 25px rgba(0, 242, 254, 0.4);
      border: none;
    }

    .btn-hero-main:hover {
      box-shadow: 0 0 35px rgba(157, 78, 221, 0.7);
      transform: translateY(-3px);
    }

    .hero-model-badges {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 8px;
      padding: 20px;
      background: rgba(16, 25, 46, 0.5);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-line);
    }

    .model-chip {
      font-size: 0.8rem;
      color: #e2e8f0;
      background: rgba(255, 255, 255, 0.05);
      padding: 4px 12px;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: var(--transition-smooth);
    }

    .model-chip:hover {
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
      box-shadow: 0 0 10px rgba(0, 242, 254, 0.3);
    }

    .stats-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-top: 48px;
    }

    .stat-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
      transition: var(--transition-smooth);
    }

    .stat-card:hover {
      border-color: var(--neon-cyan);
      transform: translateY(-4px);
      box-shadow: 0 10px 24px rgba(0, 242, 254, 0.15);
    }

    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--neon-cyan);
      line-height: 1.2;
      margin-bottom: 6px;
      text-shadow: 0 0 12px rgba(0, 242, 254, 0.4);
    }

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

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

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 52px;
    }

    .section-pill {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--neon-cyan);
      background: rgba(0, 242, 254, 0.08);
      padding: 4px 14px;
      border-radius: 20px;
      border: 1px solid rgba(0, 242, 254, 0.25);
      margin-bottom: 14px;
    }

    .section-title {
      font-size: clamp(1.8rem, 3.2vw, 2.4rem);
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 14px;
      line-height: 1.3;
    }

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

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

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

    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 30px;
      transition: var(--transition-smooth);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }

    .service-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 3px;
      background: linear-gradient(90deg, var(--neon-cyan), var(--neon-purple));
      opacity: 0;
      transition: var(--transition-smooth);
    }

    .service-card:hover {
      border-color: rgba(0, 242, 254, 0.5);
      background: var(--bg-card-hover);
      transform: translateY(-6px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 242, 254, 0.15);
    }

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

    .service-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(0, 242, 254, 0.1);
      border: 1px solid rgba(0, 242, 254, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--neon-cyan);
      margin-bottom: 20px;
      font-size: 1.4rem;
    }

    .service-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
    }

    .service-card p {
      color: var(--text-sub);
      font-size: 0.95rem;
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 20px;
    }

    .feature-tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .feature-tag-list span {
      font-size: 0.75rem;
      background: rgba(255, 255, 255, 0.04);
      color: #cbd5e1;
      padding: 3px 10px;
      border-radius: 6px;
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .two-col-showcase {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .showcase-text h3 {
      font-size: 1.8rem;
      font-weight: 800;
      margin-bottom: 18px;
      color: #ffffff;
    }

    .showcase-text p {
      color: var(--text-sub);
      margin-bottom: 24px;
      font-size: 1.05rem;
    }

    .feature-points {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 30px;
    }

    .feature-points li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      color: #e2e8f0;
      font-size: 0.98rem;
    }

    .feature-points li svg {
      width: 20px;
      height: 20px;
      flex-shrink: 0;
      color: var(--neon-emerald);
      margin-top: 2px;
    }

    .media-card-box {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-line);
      overflow: hidden;
      background: var(--bg-card);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
      transition: var(--transition-smooth);
    }

    .media-card-box:hover {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 25px rgba(0, 242, 254, 0.25);
    }

    .media-card-box img {
      width: 100%;
      height: auto;
      display: block;
      transition: var(--transition-smooth);
    }

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

    .media-caption {
      padding: 16px 20px;
      font-size: 0.9rem;
      color: var(--text-sub);
      background: rgba(12, 18, 34, 0.9);
      border-top: 1px solid var(--border-line);
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

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

    .process-step {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      position: relative;
      transition: var(--transition-smooth);
    }

    .process-step:hover {
      border-color: var(--neon-emerald);
      transform: translateY(-4px);
      box-shadow: 0 8px 24px rgba(0, 245, 160, 0.15);
    }

    .step-index {
      font-size: 2.2rem;
      font-weight: 800;
      color: rgba(0, 245, 160, 0.35);
      line-height: 1;
      margin-bottom: 12px;
      font-family: monospace;
    }

    .process-step h4 {
      font-size: 1.15rem;
      color: #ffffff;
      margin-bottom: 10px;
    }

    .process-step p {
      font-size: 0.9rem;
      color: var(--text-sub);
      line-height: 1.6;
    }

    .comparison-container {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 36px;
      overflow-x: auto;
    }

    .rating-banner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      padding-bottom: 28px;
      border-bottom: 1px solid var(--border-line);
      margin-bottom: 28px;
      gap: 20px;
    }

    .rating-left {
      display: flex;
      align-items: center;
      gap: 20px;
    }

    .score-circle {
      width: 76px;
      height: 76px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #060913;
      font-weight: 900;
      box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
    }

    .score-circle .big {
      font-size: 1.7rem;
      line-height: 1;
    }

    .score-circle .small {
      font-size: 0.75rem;
      opacity: 0.85;
    }

    .rating-summary h4 {
      font-size: 1.35rem;
      color: #ffffff;
      margin-bottom: 4px;
    }

    .stars {
      color: #ffb703;
      font-size: 1.1rem;
      letter-spacing: 2px;
    }

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

    .table-responsive th,
    .table-responsive td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.95rem;
    }

    .table-responsive th {
      color: #cbd5e1;
      font-weight: 600;
      background: rgba(255, 255, 255, 0.02);
    }

    .table-responsive td.highlight-cell {
      color: var(--neon-cyan);
      font-weight: 700;
      background: rgba(0, 242, 254, 0.04);
    }

    .table-responsive tr:hover td {
      background: rgba(255, 255, 255, 0.02);
    }

    .table-responsive tr:hover td.highlight-cell {
      background: rgba(0, 242, 254, 0.08);
    }

    .tag-badge {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 0.75rem;
    }

    .badge-win {
      background: rgba(0, 245, 160, 0.15);
      color: var(--neon-emerald);
      border: 1px solid rgba(0, 245, 160, 0.3);
    }

    .badge-lose {
      background: rgba(255, 42, 133, 0.1);
      color: #ff6b8b;
      border: 1px solid rgba(255, 42, 133, 0.2);
    }

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

    .comment-card {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 26px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition-smooth);
    }

    .comment-card:hover {
      border-color: var(--neon-purple);
      transform: translateY(-4px);
      box-shadow: 0 10px 24px rgba(157, 78, 221, 0.2);
    }

    .comment-content {
      font-size: 0.95rem;
      color: #cbd5e1;
      line-height: 1.7;
      margin-bottom: 20px;
      font-style: italic;
    }

    .comment-author {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: #060913;
      font-size: 1rem;
    }

    .author-info h5 {
      font-size: 0.95rem;
      color: #ffffff;
      margin-bottom: 2px;
    }

    .author-info p {
      font-size: 0.8rem;
      color: var(--text-sub);
    }

    .faq-accordion {
      display: flex;
      flex-direction: column;
      gap: 14px;
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      background: var(--bg-card);
      overflow: hidden;
      transition: var(--transition-smooth);
    }

    .faq-item.active {
      border-color: var(--neon-cyan);
      box-shadow: 0 4px 18px rgba(0, 242, 254, 0.15);
    }

    .faq-question {
      width: 100%;
      padding: 20px 24px;
      background: transparent;
      border: none;
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 600;
      text-align: left;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
    }

    .faq-icon {
      width: 20px;
      height: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--neon-cyan);
      transition: var(--transition-smooth);
    }

    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease;
      background: rgba(12, 18, 34, 0.4);
    }

    .faq-answer p {
      padding: 0 24px 20px;
      color: var(--text-sub);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    .contact-container {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 40px;
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 40px;
    }

    .contact-info-panel h3 {
      font-size: 1.8rem;
      font-weight: 800;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .contact-info-panel p {
      color: var(--text-sub);
      margin-bottom: 28px;
      font-size: 1rem;
    }

    .contact-items-list {
      display: flex;
      flex-direction: column;
      gap: 18px;
      margin-bottom: 30px;
    }

    .contact-row {
      display: flex;
      align-items: center;
      gap: 16px;
      color: #e2e8f0;
      font-size: 0.95rem;
    }

    .contact-row svg {
      width: 22px;
      height: 22px;
      color: var(--neon-cyan);
      flex-shrink: 0;
    }

    .qr-card-box {
      display: inline-flex;
      align-items: center;
      gap: 18px;
      background: rgba(12, 18, 34, 0.8);
      padding: 16px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-line);
    }

    .qr-card-box img {
      width: 100px;
      height: 100px;
      border-radius: 8px;
      background: #ffffff;
      padding: 4px;
    }

    .qr-desc h5 {
      font-size: 1rem;
      color: #ffffff;
      margin-bottom: 4px;
    }

    .qr-desc p {
      font-size: 0.85rem;
      color: var(--text-sub);
      margin-bottom: 0;
    }

    .contact-form-panel {
      background: rgba(12, 18, 34, 0.7);
      padding: 30px;
      border-radius: var(--radius-md);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

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

    .form-label {
      display: block;
      font-size: 0.9rem;
      color: #cbd5e1;
      margin-bottom: 8px;
      font-weight: 500;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      background: rgba(6, 9, 19, 0.7);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      color: #ffffff;
      font-size: 0.95rem;
      transition: var(--transition-smooth);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--neon-cyan);
      box-shadow: 0 0 12px rgba(0, 242, 254, 0.3);
    }

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

    .articles-container {
      background: var(--bg-card);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-lg);
      padding: 30px;
      margin-bottom: 40px;
    }

    .articles-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 14px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .article-links-list {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .article-chip {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 0.85rem;
      color: #cbd5e1;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .article-chip:hover {
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
      background: rgba(0, 242, 254, 0.08);
    }

    .friend-links-box {
      padding: 24px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 14px;
      font-size: 0.9rem;
      color: var(--text-sub);
    }

    .friend-links-box a {
      color: #94a3b8;
      padding: 4px 10px;
      background: rgba(255, 255, 255, 0.03);
      border-radius: 4px;
    }

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

    .site-footer {
      background: #04060d;
      border-top: 1px solid var(--border-line);
      padding: 48px 0 32px;
      color: var(--text-sub);
      font-size: 0.9rem;
    }

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

    .footer-brand p {
      margin-top: 12px;
      max-width: 320px;
      line-height: 1.6;
    }

    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 16px;
      font-weight: 700;
    }

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

    .footer-col a {
      color: var(--text-sub);
    }

    .footer-col a:hover {
      color: var(--neon-cyan);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-size: 0.85rem;
    }

    .floating-contact-widget {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .floating-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--bg-surface);
      border: 1px solid var(--neon-cyan);
      box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--neon-cyan);
      cursor: pointer;
      transition: var(--transition-smooth);
    }

    .floating-btn:hover {
      transform: scale(1.1);
      box-shadow: 0 0 25px rgba(0, 242, 254, 0.6);
      background: var(--neon-cyan);
      color: #060913;
    }

    .floating-btn svg {
      width: 24px;
      height: 24px;
    }

    @media (max-width: 1024px) {
      .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-3 {
        grid-template-columns: repeat(2, 1fr);
      }
      .process-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
      .comments-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .menu-toggle {
        display: block;
      }
      .nav-links {
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: rgba(6, 9, 19, 0.98);
        border-bottom: 1px solid var(--border-line);
        flex-direction: column;
        padding: 20px;
        display: none;
      }
      .nav-links.active {
        display: flex;
      }
      .nav-item {
        width: 100%;
        text-align: center;
      }
      .nav-item a {
        display: block;
        padding: 12px;
      }
      .nav-actions {
        display: none;
      }
      .card-grid-3,
      .card-grid-4,
      .stats-row,
      .comments-grid,
      .two-col-showcase,
      .contact-container {
        grid-template-columns: 1fr;
      }
      .process-timeline {
        grid-template-columns: 1fr;
      }
      .footer-top {
        grid-template-columns: 1fr;
      }
      .contact-container {
        padding: 24px;
      }
    }