/* CSS Root & Reset */
    :root {
      --primary: #7B00FF;
      --primary-gradient: linear-gradient(135deg, #FF007A 0%, #7B00FF 100%);
      --secondary: #00F6FF;
      --secondary-gradient: linear-gradient(135deg, #00F6FF 0%, #0066FF 100%);
      --dark: #121214;
      --light-bg: #f8fafc;
      --card-bg: #ffffff;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

    body {
      background-color: var(--light-bg);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }

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

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      width: 100%;
    }

    /* Common Components */
    .section-title {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-title h2 {
      font-size: 2.2rem;
      font-weight: 800;
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 10px;
    }

    .section-title p {
      color: var(--text-muted);
      font-size: 1.1rem;
      max-width: 600px;
      margin: 0 auto;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      border-radius: 50px;
      font-weight: 600;
      transition: var(--transition);
      cursor: pointer;
      border: none;
      gap: 8px;
    }

    .btn-primary {
      background: var(--primary-gradient);
      color: #fff;
      box-shadow: 0 4px 15px rgba(255, 0, 122, 0.3);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 0, 122, 0.4);
    }

    .btn-secondary {
      background: var(--secondary-gradient);
      color: #fff;
      box-shadow: 0 4px 15px rgba(0, 246, 255, 0.2);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 246, 255, 0.3);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
    }

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

    /* Badge styles */
    .badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      background: rgba(123, 0, 255, 0.1);
      color: var(--primary);
      margin-bottom: 10px;
    }

    /* Header & Navigation */
    header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 80px;
    }

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

    .logo-area img {
      height: 45px;
    }

    .logo-area span {
      font-size: 1.3rem;
      font-weight: 800;
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .nav-menu {
      display: flex;
      gap: 20px;
      align-items: center;
    }

    .nav-menu a {
      color: var(--text-main);
      font-weight: 500;
      font-size: 0.95rem;
    }

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

    .nav-btn-group {
      display: flex;
      align-items: center;
      gap: 15px;
    }

    .nav-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      border: none;
      background: transparent;
    }

    .nav-toggle span {
      width: 25px;
      height: 3px;
      background-color: var(--text-main);
      transition: var(--transition);
    }

    /* Hero Section (No images allowed) */
    .hero {
      position: relative;
      background: radial-gradient(circle at 80% 20%, rgba(0, 246, 255, 0.15) 0%, rgba(255, 0, 122, 0.05) 50%, rgba(255, 255, 255, 0) 100%), #ffffff;
      padding: 120px 0 90px;
      text-align: center;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }

    .hero-tag {
      background: linear-gradient(90deg, rgba(255,0,122,0.1), rgba(123,0,255,0.1));
      color: var(--primary);
      padding: 6px 18px;
      border-radius: 30px;
      font-weight: 700;
      display: inline-block;
      margin-bottom: 25px;
      font-size: 0.9rem;
      border: 1px solid rgba(123, 0, 255, 0.15);
    }

    .hero h1 {
      font-size: 3.5rem;
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -1px;
      margin-bottom: 25px;
      background: linear-gradient(135deg, #121214 20%, #7B00FF 60%, #FF007A 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 1.25rem;
      color: var(--text-muted);
      max-width: 800px;
      margin: 0 auto 35px;
      line-height: 1.8;
    }

    .hero-btns {
      display: flex;
      justify-content: center;
      gap: 15px;
      margin-bottom: 50px;
      flex-wrap: wrap;
    }

    /* Data Cards */
    .data-cards {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .data-card {
      background: #fff;
      padding: 20px;
      border-radius: 16px;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .data-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary);
    }

    .data-card h3 {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 5px;
    }

    .data-card p {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    /* Service Platforms Tag Cloud */
    .platform-tags {
      margin-top: 40px;
      background: rgba(255, 255, 255, 0.7);
      padding: 25px;
      border-radius: 20px;
      border: 1px solid var(--border-color);
    }

    .platform-tags p {
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 15px;
    }

    .tags-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
    }

    .tag-item {
      padding: 6px 14px;
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 500;
      color: var(--text-main);
      box-shadow: 0 2px 5px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

    .tag-item:hover {
      background: var(--primary-gradient);
      color: #fff;
      border-color: transparent;
      transform: scale(1.05);
    }

    /* General Section Padding */
    .section-padding {
      padding: 90px 0;
      border-bottom: 1px solid var(--border-color);
    }

    /* About Us */
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .about-content {
      padding-right: 20px;
    }

    .about-content h3 {
      font-size: 1.8rem;
      font-weight: 700;
      margin-bottom: 15px;
    }

    .about-content p {
      color: var(--text-muted);
      margin-bottom: 20px;
      font-size: 1.05rem;
    }

    .about-img-container {
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    }

    /* Service Capabilities Section */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }

    .service-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 30px;
      transition: var(--transition);
      position: relative;
      overflow: hidden;
    }

    .service-card:hover {
      transform: translateY(-8px);
      border-color: var(--secondary);
      box-shadow: 0 10px 30px rgba(0, 246, 255, 0.1);
    }

    .service-icon-box {
      width: 60px;
      height: 60px;
      border-radius: 16px;
      background: linear-gradient(135deg, rgba(255,0,122,0.1) 0%, rgba(123,0,255,0.1) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 25px;
    }

    .service-icon-box svg {
      width: 30px;
      height: 30px;
      stroke: var(--primary);
    }

    .service-card h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 15px;
    }

    .service-card p {
      color: var(--text-muted);
      font-size: 0.95rem;
      margin-bottom: 20px;
    }

    .service-img-wrap {
      margin-top: 15px;
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid var(--border-color);
    }

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

    .workflow-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 25px;
      position: relative;
      transition: var(--transition);
    }

    .workflow-card:hover {
      border-color: var(--primary);
      background: linear-gradient(to bottom, #ffffff, rgba(123,0,255,0.02));
    }

    .workflow-num {
      width: 35px;
      height: 35px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .workflow-card h3 {
      font-size: 1.15rem;
      margin-bottom: 10px;
    }

    .workflow-card p {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    /* Technical Standards & Solutions */
    .solution-tabs {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .standards-list {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .standard-item {
      display: flex;
      gap: 15px;
      background: var(--card-bg);
      padding: 20px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .standard-item:hover {
      transform: translateX(5px);
      border-color: var(--secondary);
    }

    .standard-item svg {
      width: 24px;
      height: 24px;
      stroke: var(--secondary);
      flex-shrink: 0;
    }

    .standard-item h4 {
      font-size: 1.1rem;
      margin-bottom: 5px;
    }

    .standard-item p {
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    /* Cases Section */
    .cases-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }

    .case-images {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .case-images img {
      border-radius: 16px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.08);
      border: 1px solid var(--border-color);
    }

    /* Review Table */
    .review-table-container {
      background: var(--card-bg);
      border-radius: 20px;
      border: 1px solid var(--border-color);
      box-shadow: 0 10px 30px rgba(0,0,0,0.05);
      overflow-x: auto;
      margin-bottom: 40px;
    }

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

    .review-table th, .review-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
    }

    .review-table th {
      background: #f1f5f9;
      font-weight: 700;
      color: var(--text-main);
    }

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

    .highlight-row {
      background: rgba(123,0,255,0.02);
    }

    .badge-score {
      background: var(--primary-gradient);
      color: #fff;
      padding: 4px 10px;
      border-radius: 6px;
      font-weight: 700;
    }

    /* Training Courses */
    .courses-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 15px;
    }

    .course-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 20px;
      text-align: center;
      transition: var(--transition);
    }

    .course-card:hover {
      border-color: var(--primary);
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(123,0,255,0.1);
    }

    .course-card h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .course-card p {
      font-size: 0.8rem;
      color: var(--text-muted);
    }

    /* FAQ accordion */
    .faq-grid {
      display: flex;
      flex-direction: column;
      gap: 15px;
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-header {
      padding: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      background: #fff;
    }

    .faq-header:hover {
      color: var(--primary);
    }

    .faq-icon {
      transition: var(--transition);
    }

    .faq-body {
      padding: 0 20px;
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .faq-item.active .faq-body {
      padding: 0 20px 20px 20px;
      max-height: 200px;
    }

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

    /* Troubleshooting & Glossary */
    .help-subsections {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-top: 50px;
    }

    .sub-box {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 30px;
    }

    .sub-box h3 {
      font-size: 1.3rem;
      margin-bottom: 20px;
      color: var(--primary);
      border-bottom: 2px solid var(--border-color);
      padding-bottom: 10px;
    }

    .trouble-list, .glossary-list {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .glossary-term dt {
      font-weight: 700;
      color: var(--text-main);
    }

    .glossary-term dd {
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-left: 0;
      margin-top: 5px;
    }

    /* Testimonials (6 reviews) */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .review-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 25px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.02);
      transition: var(--transition);
    }

    .review-card:hover {
      border-color: var(--primary);
    }

    .review-user {
      display: flex;
      align-items: center;
      gap: 15px;
      margin-bottom: 15px;
    }

    .user-avatar {
      width: 45px;
      height: 45px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }

    .user-info h4 {
      font-size: 0.95rem;
      font-weight: 700;
    }

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

    .review-card p.content {
      font-size: 0.9rem;
      color: var(--text-main);
      line-height: 1.6;
    }

    /* Articles */
    .article-section {
      background: #fff;
    }

    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
    }

    .article-card {
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 20px;
      background: var(--light-bg);
      transition: var(--transition);
    }

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

    .article-card h3 {
      font-size: 1.05rem;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .article-card a {
      color: var(--primary);
      font-size: 0.85rem;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }

    /* Contact Us & Form */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
    }

    .contact-info-block {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .contact-item {
      display: flex;
      gap: 15px;
      align-items: flex-start;
    }

    .contact-item svg {
      width: 24px;
      height: 24px;
      stroke: var(--primary);
      flex-shrink: 0;
    }

    .contact-qr {
      width: 150px;
      padding: 10px;
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      margin-top: 10px;
    }

    .contact-qr img {
      width: 100%;
    }

    .contact-form {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      padding: 35px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    }

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

    .form-group label {
      display: block;
      font-weight: 600;
      margin-bottom: 8px;
      font-size: 0.9rem;
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      font-size: 0.95rem;
      transition: var(--transition);
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(123, 0, 255, 0.1);
    }

    /* Footer & Friend Links */
    footer {
      background: var(--dark);
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }

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

    .footer-brand h4 {
      color: #fff;
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 15px;
    }

    .footer-brand p {
      margin-bottom: 20px;
      font-size: 0.9rem;
    }

    .footer-links h5 {
      color: #fff;
      font-size: 1.1rem;
      margin-bottom: 15px;
    }

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

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

    .footer-links a {
      font-size: 0.9rem;
    }

    .footer-links a:hover {
      color: #fff;
    }

    .friend-links-box {
      border-top: 1px solid #1e293b;
      padding-top: 25px;
      margin-top: 20px;
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      align-items: center;
    }

    .friend-links-box span {
      font-weight: 700;
      color: #fff;
      font-size: 0.9rem;
    }

    .friend-links-box a {
      font-size: 0.85rem;
      color: #64748b;
    }

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

    .copyright {
      border-top: 1px solid #1e293b;
      padding-top: 25px;
      text-align: center;
      font-size: 0.85rem;
    }

    /* Floating Widget */
    .floating-widget {
      position: fixed;
      right: 25px;
      bottom: 25px;
      z-index: 999;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: #fff;
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      position: relative;
      transition: var(--transition);
    }

    .float-btn:hover {
      background: var(--primary);
      color: #fff;
    }

    .float-btn svg {
      width: 22px;
      height: 22px;
      stroke: currentColor;
    }

    .float-qr-hover {
      position: absolute;
      right: 60px;
      bottom: 0;
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 10px;
      display: none;
      box-shadow: 0 4px 20px rgba(0,0,0,0.15);
      width: 150px;
    }

    .float-btn:hover .float-qr-hover {
      display: block;
    }

    /* Responsive */
    @media(max-width: 1024px) {
      .services-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .courses-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .data-cards {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media(max-width: 768px) {
      .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: #fff;
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: 0 10px 15px rgba(0,0,0,0.05);
      }

      .nav-menu.active {
        display: flex;
      }

      .nav-toggle {
        display: flex;
      }

      .hero h1 {
        font-size: 2.3rem;
      }

      .about-grid, .solution-tabs, .cases-grid, .contact-grid, .footer-grid {
        grid-template-columns: 1fr;
      }

      .services-grid, .reviews-grid, .articles-grid {
        grid-template-columns: 1fr;
      }

      .courses-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .workflow-steps {
        grid-template-columns: 1fr;
      }

      .help-subsections {
        grid-template-columns: 1fr;
      }

      .review-table th, .review-table td {
        padding: 12px;
        font-size: 0.85rem;
      }
    }