:root {
      --primary-color: rgb(79,70,229);
      --primary-hover: rgb(67,56,202);
      --accent-blue: #1D7BFF;
      --glacier-blue: #E0F2FE;
      --deep-sea: #0B0F19;
      --deep-sea-light: #1E293B;
      --silver-white: #F8FAFC;
      --text-primary: #0F172A;
      --text-secondary: #475569;
      --border-color: #E2E8F0;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08);
      --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
      --radius: 12px;
      --container-width: 1200px;
    }

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

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-primary);
      background-color: var(--silver-white);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.3s ease;
    }

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

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

    
    header {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
      height: 70px;
    }

    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 100%;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }

    .logo img {
      display: block;
      height: 40px;
      width: auto;
      max-width: 160px;
      object-fit: contain;
      flex-shrink: 0;
    }

    .logo span {
      display: inline-block;
      font-size: 18px;
      font-weight: 800;
      line-height: 1;
      color: var(--text-primary);
      white-space: nowrap;
    }

    .nav-desktop {
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .nav-desktop a {
      font-weight: 500;
      color: var(--text-secondary);
      font-size: 15px;
    }

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

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

    
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      z-index: 998;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
    }

    .drawer {
      position: fixed;
      top: 0;
      left: -280px;
      width: 280px;
      height: 100%;
      background: #fff;
      z-index: 999;
      box-shadow: var(--shadow-lg);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      padding: 20px;
    }

    .drawer.active {
      left: 0;
    }

    .drawer-overlay.active {
      opacity: 1;
      visibility: visible;
    }

    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 30px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 15px;
    }

    .drawer-close {
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
    }

    .drawer-menu {
      display: flex;
      flex-direction: column;
      gap: 16px;
      overflow-y: auto;
    }

    .drawer-menu a {
      font-size: 16px;
      font-weight: 500;
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
    }

    
    .hero {
      position: relative;
      background-color: var(--deep-sea);
      color: #fff;
      padding: 100px 0 120px;
      overflow: hidden;
      text-align: center;
    }

    .hero-bg-glow {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 600px;
      height: 600px;
      background: radial-gradient(circle, rgba(29, 123, 255, 0.2) 0%, rgba(11, 15, 25, 0) 70%);
      pointer-events: none;
    }

    .hero-container {
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      background: rgba(29, 123, 255, 0.15);
      border: 1px solid rgba(29, 123, 255, 0.3);
      padding: 6px 16px;
      border-radius: 50px;
      color: var(--accent-blue);
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }

    .highlight-text {
      background: linear-gradient(135deg, #fff 0%, var(--accent-blue) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-subtitle {
      font-size: 18px;
      color: rgba(255, 255, 255, 0.7);
      max-width: 700px;
      margin: 0 auto 35px;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 60px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      border-radius: var(--radius);
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .btn-primary {
      background: var(--accent-blue);
      color: #fff;
      border: none;
      box-shadow: 0 4px 14px rgba(29, 123, 255, 0.4);
    }

    .btn-primary:hover {
      background: #0062E6;
      transform: translateY(-2px);
    }

    .btn-outline {
      background: transparent;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.3);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
    }

    
    .hero-visual-wrapper {
      position: relative;
      max-width: 800px;
      margin: 0 auto;
      padding: 40px 0;
    }

    .central-panel {
      background: rgba(30, 41, 59, 0.6);
      border: 1px solid rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(12px);
      border-radius: var(--radius);
      padding: 30px;
      box-shadow: var(--shadow-lg);
    }

    .panel-header {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      padding-bottom: 12px;
    }

    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
    }

    .dot.red { background: #EF4444; }
    .dot.yellow { background: #F59E0B; }
    .dot.green { background: #10B981; }

    .panel-title {
      color: rgba(255, 255, 255, 0.8);
      font-size: 13px;
      font-weight: 600;
      margin-left: auto;
      letter-spacing: 1px;
    }

    .tech-chart {
      width: 100%;
      height: auto;
    }

    .floating-card {
      position: absolute;
      background: rgba(255, 255, 255, 0.95);
      color: var(--text-primary);
      border-radius: var(--radius);
      padding: 14px 20px;
      box-shadow: var(--shadow-lg);
      display: flex;
      align-items: center;
      gap: 12px;
      text-align: left;
      z-index: 3;
      border-left: 4px solid var(--accent-blue);
      width: 220px;
    }

    .floating-card .card-icon {
      font-size: 24px;
    }

    .floating-card h4 {
      font-size: 14px;
      font-weight: 700;
    }

    .floating-card p {
      font-size: 11px;
      color: var(--text-secondary);
    }

    
    .card-top-left { top: 0; left: -100px; }
    .card-top-right { top: 0; right: -100px; }
    .card-bottom-left { bottom: 0; left: -100px; }
    .card-bottom-right { bottom: 0; right: -100px; }

    
    .features {
      padding: 80px 0;
      background: #fff;
    }

    .section-title {
      text-align: center;
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 15px;
    }

    .section-desc {
      text-align: center;
      color: var(--text-secondary);
      max-width: 600px;
      margin: 0 auto 50px;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .feature-card {
      background: var(--silver-white);
      padding: 30px;
      border-radius: var(--radius);
      transition: all 0.3s ease;
      border: 1px solid var(--border-color);
    }

    .feature-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-color);
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      background: var(--glacier-blue);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      margin-bottom: 20px;
    }

    .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .feature-card p {
      color: var(--text-secondary);
      font-size: 14px;
    }

    
    .stats-bar {
      background: var(--silver-white);
      padding: 40px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .stats-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      text-align: center;
    }

    .stat-item h3 {
      font-size: 36px;
      font-weight: 800;
      color: var(--primary-color);
    }

    .stat-item p {
      color: var(--text-secondary);
      font-size: 14px;
    }

    
    .news-section {
      padding: 80px 0;
    }

    .news-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 30px;
    }

    .article-card {
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .article-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-md);
    }

    .article-image {
      position: relative;
      height: 200px;
      overflow: hidden;
      background: #eee;
    }

    .article-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .article-info {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .article-meta {
      display: flex;
      gap: 16px;
      font-size: 13px;
      color: var(--text-secondary);
      margin-bottom: 12px;
    }

    .article-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }

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

    .article-summary {
      font-size: 14px;
      color: var(--text-secondary);
      margin-bottom: 20px;
      flex-grow: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .article-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid var(--border-color);
      padding-top: 15px;
      font-size: 13px;
    }

    .article-tags {
      display: flex;
      gap: 8px;
    }

    .article-tag {
      background: var(--glacier-blue);
      color: var(--accent-blue);
      padding: 2px 8px;
      border-radius: 4px;
    }

    .read-more {
      font-weight: 600;
      color: var(--primary-color);
    }

    
    .faq-section {
      padding: 80px 0;
      background: #fff;
    }

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

    .faq-item {
      border: 1px solid var(--border-color);
      border-radius: var(--radius);
      padding: 20px;
      background: var(--silver-white);
    }

    .faq-question {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-primary);
    }

    .faq-answer {
      color: var(--text-secondary);
      font-size: 14px;
    }

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

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr repeat(3, 1fr);
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-logo-desc {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .footer-logo-desc .logo span {
      color: #fff;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

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

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 30px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 20px;
    }

    .footer-legal {
      display: flex;
      gap: 20px;
    }

    
    @media (max-width: 1024px) {
      .hero-title { font-size: 38px; }
      .floating-card { display: none; }
    }

    @media (max-width: 768px) {
      .nav-desktop { display: none; }
      .menu-toggle { display: block; }
      .stats-container { grid-template-columns: repeat(2, 1fr); gap: 20px; }
      .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    }