:root {
      --bg-primary: #0a0a14;
      --bg-secondary: #121124;
      --bg-card: rgba(26, 25, 48, 0.7);
      --border-card: rgba(147, 51, 234, 0.25);
      --border-glow: rgba(0, 240, 255, 0.4);
      --text-main: #f3f4f6;
      --text-sub: #9ca3af;
      --neon-cyan: #00f0ff;
      --neon-pink: #ff007f;
      --neon-purple: #8b5cf6;
      --neon-yellow: #facc15;
      --gradient-brand: linear-gradient(135deg, #00f0ff 0%, #8b5cf6 50%, #ff007f 100%);
      --container-max: 1200px;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      -webkit-font-smoothing: antialiased;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-primary);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
      background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 60%, rgba(255, 0, 127, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 90%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
      background-attachment: fixed;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    ul, ol {
      list-style: none;
    }
    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
    }
    .section-wrap {
      padding: 90px 0;
      position: relative;
    }
    .section-title-wrap {
      text-align: center;
      margin-bottom: 56px;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: var(--neon-cyan);
      padding: 4px 14px;
      border-radius: 20px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid rgba(0, 240, 255, 0.25);
      margin-bottom: 12px;
      box-shadow: 0 0 12px rgba(0, 240, 255, 0.15);
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-sub);
      max-width: 680px;
      margin: 0 auto;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      text-align: center;
    }
    .btn-neon {
      background: var(--gradient-brand);
      color: #0d0d1a;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
      font-weight: 700;
    }
    .btn-neon:hover {
      box-shadow: 0 0 30px rgba(255, 0, 127, 0.6);
      transform: translateY(-2px);
    }
    .btn-outline {
      background: rgba(255, 255, 255, 0.05);
      border-color: rgba(0, 240, 255, 0.3);
      color: #ffffff;
    }
    .btn-outline:hover {
      background: rgba(0, 240, 255, 0.12);
      border-color: var(--neon-cyan);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
      transform: translateY(-2px);
    }
    .card-neon {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-card);
      border-radius: 12px;
      padding: 28px;
      transition: all 0.3s ease;
      position: relative;
    }
    .card-neon:hover {
      border-color: var(--neon-cyan);
      box-shadow: 0 8px 30px rgba(0, 240, 255, 0.12);
      transform: translateY(-4px);
    }
    
    /* Header */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(10, 10, 20, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(147, 51, 234, 0.2);
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 74px;
    }
    .brand-area {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo-wrap {
      width: 42px;
      height: 42px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .brand-logo-wrap img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .brand-name {
      font-size: 20px;
      font-weight: 700;
      background: var(--gradient-brand);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      letter-spacing: 0.5px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 0;
    }
    .nav-links a {
      color: var(--text-sub);
      font-size: 14px;
      font-weight: 500;
      padding: 10px 14px;
      border-radius: 6px;
    }
    .nav-links a:hover {
      color: var(--neon-cyan);
      background: rgba(0, 240, 255, 0.05);
    }
    .nav-action {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .menu-toggle {
      display: none;
      background: none;
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #ffffff;
      padding: 6px 10px;
      border-radius: 6px;
      cursor: pointer;
    }

    /* Hero Section (No Images Allowed) */
    .hero-section {
      padding: 110px 0 80px 0;
      position: relative;
      text-align: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 30px;
      background: rgba(255, 0, 127, 0.1);
      border: 1px solid rgba(255, 0, 127, 0.3);
      color: var(--neon-pink);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 24px;
      box-shadow: 0 0 15px rgba(255, 0, 127, 0.2);
    }
    .hero-h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 24px;
      color: #ffffff;
      text-shadow: 0 0 35px rgba(0, 240, 255, 0.35);
    }
    .hero-h1 span {
      background: var(--gradient-brand);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-sub {
      font-size: 18px;
      color: var(--text-sub);
      max-width: 760px;
      margin: 0 auto 36px auto;
      line-height: 1.7;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 56px;
      flex-wrap: wrap;
    }
    .hero-metrics {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1000px;
      margin: 0 auto;
    }
    .metric-card {
      background: rgba(20, 19, 38, 0.6);
      border: 1px solid rgba(139, 92, 246, 0.25);
      border-radius: 12px;
      padding: 24px 16px;
      text-align: center;
    }
    .metric-value {
      font-size: 32px;
      font-weight: 800;
      color: var(--neon-cyan);
      margin-bottom: 6px;
      font-family: monospace;
      text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
    }
    .metric-label {
      font-size: 13px;
      color: var(--text-sub);
    }

    /* Platform Overview */
    .intro-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
    }
    .intro-content h3 {
      font-size: 26px;
      font-weight: 700;
      margin-bottom: 18px;
      color: #ffffff;
    }
    .intro-content p {
      color: var(--text-sub);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .intro-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }
    .tag-item {
      padding: 6px 14px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 6px;
      font-size: 13px;
      color: #e2e8f0;
    }
    .tag-item.highlight {
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
      background: rgba(0, 240, 255, 0.06);
    }

    /* Model Logos Grid */
    .models-marquee-title {
      font-size: 14px;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      color: var(--text-sub);
      text-align: center;
      margin-bottom: 20px;
    }
    .models-chip-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }
    .model-chip {
      padding: 8px 16px;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(139, 92, 246, 0.2);
      font-size: 13px;
      font-weight: 600;
      color: #d1d5db;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s;
    }
    .model-chip:hover {
      border-color: var(--neon-cyan);
      color: var(--neon-cyan);
      transform: translateY(-2px);
    }
    .model-dot {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background-color: var(--neon-pink);
    }

    /* Services Grid */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .service-card {
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: 12px;
      padding: 26px;
      transition: all 0.3s;
      display: flex;
      flex-direction: column;
    }
    .service-card:hover {
      border-color: var(--neon-purple);
      box-shadow: 0 10px 25px rgba(139, 92, 246, 0.2);
      transform: translateY(-3px);
    }
    .service-icon-box {
      width: 46px;
      height: 46px;
      border-radius: 8px;
      background: rgba(0, 240, 255, 0.1);
      border: 1px solid rgba(0, 240, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: var(--neon-cyan);
      font-size: 20px;
    }
    .service-card h4 {
      font-size: 18px;
      color: #ffffff;
      margin-bottom: 10px;
    }
    .service-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.65;
      flex-grow: 1;
    }

    /* Process Flow */
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .step-box {
      background: var(--bg-secondary);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 12px;
      padding: 26px 20px;
      text-align: center;
      position: relative;
    }
    .step-index {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--gradient-brand);
      color: #000;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px auto;
      font-size: 16px;
    }
    .step-box h4 {
      font-size: 17px;
      margin-bottom: 10px;
      color: #fff;
    }
    .step-box p {
      font-size: 13px;
      color: var(--text-sub);
    }

    /* Comparison Table */
    .comparison-section {
      background: rgba(18, 17, 36, 0.7);
      border-top: 1px solid rgba(147, 51, 234, 0.2);
      border-bottom: 1px solid rgba(147, 51, 234, 0.2);
    }
    .score-summary-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background: rgba(255, 0, 127, 0.08);
      border: 1px solid rgba(255, 0, 127, 0.3);
      border-radius: 12px;
      padding: 20px 30px;
      margin-bottom: 36px;
    }
    .score-left h4 {
      font-size: 20px;
      color: #ffffff;
      margin-bottom: 4px;
    }
    .score-left p {
      font-size: 14px;
      color: var(--text-sub);
    }
    .score-right {
      text-align: right;
    }
    .score-num {
      font-size: 34px;
      font-weight: 800;
      color: var(--neon-yellow);
      text-shadow: 0 0 15px rgba(250, 204, 21, 0.4);
    }
    .score-stars {
      color: var(--neon-yellow);
      letter-spacing: 2px;
      font-size: 16px;
    }
    .table-container {
      overflow-x: auto;
      border-radius: 12px;
      border: 1px solid rgba(147, 51, 234, 0.3);
    }
    table.compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
      background: var(--bg-card);
    }
    table.compare-table th, table.compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    table.compare-table th {
      background: rgba(26, 25, 48, 0.95);
      color: #ffffff;
      font-weight: 600;
    }
    table.compare-table tr:hover {
      background: rgba(0, 240, 255, 0.03);
    }
    .td-highlight {
      color: var(--neon-cyan);
      font-weight: 600;
    }

    /* Gallery / Media Showcase */
    .gallery-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 20px;
      margin-bottom: 30px;
    }
    .media-card {
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid rgba(147, 51, 234, 0.25);
      background: var(--bg-card);
    }
    .media-card img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.4s ease;
    }
    .media-card:hover img {
      transform: scale(1.02);
    }
    .media-meta {
      padding: 16px 20px;
    }
    .media-meta h5 {
      font-size: 16px;
      color: #fff;
      margin-bottom: 4px;
    }
    .media-meta p {
      font-size: 13px;
      color: var(--text-sub);
    }
    .banner-row {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    /* Reviews */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .review-card {
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: 12px;
      padding: 24px;
      position: relative;
    }
    .review-author-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .author-avatar-stub {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--gradient-brand);
      color: #000;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
    }
    .author-info h5 {
      font-size: 15px;
      color: #ffffff;
    }
    .author-info span {
      font-size: 12px;
      color: var(--neon-cyan);
    }
    .review-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.65;
    }

    /* FAQ */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-card);
      border: 1px solid rgba(147, 51, 234, 0.25);
      border-radius: 8px;
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.2s;
    }
    .faq-item:hover {
      border-color: var(--neon-cyan);
    }
    .faq-question {
      padding: 18px 24px;
      font-size: 16px;
      font-weight: 600;
      color: #ffffff;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      user-select: none;
    }
    .faq-icon {
      font-size: 20px;
      color: var(--neon-cyan);
      transition: transform 0.2s;
    }
    .faq-answer {
      display: none;
      padding: 0 24px 20px 24px;
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--neon-pink);
    }

    /* Form Section */
    .form-box {
      max-width: 640px;
      margin: 0 auto;
      background: var(--bg-card);
      border: 1px solid var(--border-card);
      border-radius: 12px;
      padding: 36px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    }
    .form-group {
      margin-bottom: 20px;
    }
    .form-label {
      display: block;
      font-size: 14px;
      font-weight: 500;
      color: #e2e8f0;
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      background: rgba(10, 10, 20, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 8px;
      padding: 12px 16px;
      color: #ffffff;
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s;
    }
    .form-control:focus {
      border-color: var(--neon-cyan);
      box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 110px;
    }

    /* Articles Section */
    .articles-links-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 24px;
    }
    .article-pill {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 8px 16px;
      border-radius: 6px;
      font-size: 13px;
      color: var(--text-sub);
    }
    .article-pill:hover {
      border-color: var(--neon-cyan);
      color: #fff;
    }

    /* Footer */
    footer.site-footer {
      background: #06060c;
      border-top: 1px solid rgba(147, 51, 234, 0.25);
      padding: 60px 0 30px 0;
      color: var(--text-sub);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 36px;
      margin-bottom: 40px;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 16px;
      margin-bottom: 16px;
      font-weight: 600;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      color: var(--text-sub);
    }
    .footer-col ul li a:hover {
      color: var(--neon-cyan);
    }
    .qr-wrap {
      display: flex;
      align-items: flex-start;
      gap: 16px;
    }
    .qr-img-box {
      width: 100px;
      height: 100px;
      background: #fff;
      border-radius: 6px;
      padding: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .qr-img-box img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .friend-links {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      padding: 20px 0;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      margin-bottom: 24px;
    }
    .friend-links a {
      color: var(--text-sub);
      font-size: 13px;
    }
    .friend-links a:hover {
      color: var(--neon-cyan);
    }
    .copyright-bar {
      text-align: center;
      font-size: 13px;
      color: #6b7280;
    }

    /* Floating Widget */
    .floating-kefu {
      position: fixed;
      right: 24px;
      bottom: 28px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .float-btn {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--gradient-brand);
      color: #0d0d1a;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 13px;
      cursor: pointer;
      box-shadow: 0 0 16px rgba(0, 240, 255, 0.5);
      border: none;
      transition: transform 0.2s;
    }
    .float-btn:hover {
      transform: scale(1.1);
    }
    .kefu-pop {
      display: none;
      position: absolute;
      right: 58px;
      bottom: 0;
      background: var(--bg-card);
      border: 1px solid var(--neon-cyan);
      padding: 16px;
      border-radius: 8px;
      width: 180px;
      text-align: center;
      box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    }
    .kefu-pop img {
      width: 140px;
      height: 140px;
      margin-bottom: 8px;
      display: block;
    }
    .kefu-pop p {
      font-size: 12px;
      color: #ffffff;
    }
    .floating-kefu:hover .kefu-pop {
      display: block;
    }

    /* Responsive */
    @media (max-width: 992px) {
      .hero-metrics {
        grid-template-columns: repeat(2, 1fr);
      }
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .flow-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .reviews-grid {
        grid-template-columns: 1fr;
      }
      .intro-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .banner-row {
        grid-template-columns: repeat(2, 1fr);
      }
      .gallery-grid {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid rgba(147, 51, 234, 0.3);
      }
      .nav-links.active {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        padding: 10px 0;
      }
      .menu-toggle {
        display: block;
      }
      .hero-h1 {
        font-size: 28px;
      }
      .hero-metrics {
        grid-template-columns: 1fr;
      }
      .services-grid {
        grid-template-columns: 1fr;
      }
      .flow-steps {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .score-summary-bar {
        flex-direction: column;
        text-align: center;
        gap: 16px;
      }
      .score-right {
        text-align: center;
      }
    }