:root {
      --primary: rgb(147, 51, 234);
      --primary-hover: rgb(124, 58, 237);
      --glacier-blue: #1D7BFF;
      --glacier-glow: rgba(29, 123, 255, 0.45);
      --deep-ink: #0B0F19;
      --card-bg: rgba(255, 255, 255, 0.04);
      --border-color: rgba(255, 255, 255, 0.08);
      --text-main: #E2E8F0;
      --text-muted: #94A3B8;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      background-color: var(--deep-ink);
      color: var(--text-main);
      font-family: var(--font-family);
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
    img { max-width: 100%; height: auto; }
    ul { list-style: none; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

    
    .header {
      background-color: rgba(11, 15, 25, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
      height: 70px;
      display: flex;
      align-items: center;
    }
    .header-box {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 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: #FFF;
      white-space: nowrap;
    }
    .nav-list { display: flex; gap: 24px; align-items: center; }
    .nav-list a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
    }
    .nav-list a:hover { color: var(--glacier-blue); }
    .menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #FFF;
      font-size: 24px;
      cursor: pointer;
    }

    
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: -280px;
      width: 280px;
      height: 100%;
      background-color: var(--deep-ink);
      border-right: 1px solid var(--border-color);
      z-index: 200;
      transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .mobile-drawer.active { left: 0; }
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(4px);
      z-index: 199;
      display: none;
    }
    .drawer-overlay.active { display: block; }
    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .drawer-close {
      background: none;
      border: none;
      color: #FFF;
      font-size: 24px;
      cursor: pointer;
    }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 16px; color: var(--text-main); font-weight: 500; }
    .drawer-nav a:hover { color: var(--glacier-blue); }

    
    .footer {
      background-color: #060911;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-about p { margin-top: 15px; color: var(--text-muted); font-size: 14px; }
    .footer-col h4 { color: #FFF; font-size: 16px; margin-bottom: 20px; font-weight: 600; }
    .footer-col ul { display: flex; flex-direction: column; gap: 12px; }
    .footer-col ul a { color: var(--text-muted); font-size: 14px; }
    .footer-col ul a:hover { color: var(--glacier-blue); }
    .footer-bottom {
      border-top: 1px solid var(--border-color);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: var(--text-muted);
      font-size: 13px;
      flex-wrap: wrap;
      gap: 15px;
    }
    .footer-bottom-links { display: flex; gap: 20px; }

    
    .hero {
      position: relative;
      padding: 100px 0 140px;
      background: radial-gradient(circle at 50% 10%, rgba(29, 123, 255, 0.15) 0%, rgba(11, 15, 25, 1) 70%);
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .hero::before {
      content: '';
      position: absolute;
      top: 0; left: 50%;
      transform: translateX(-50%);
      width: 1000px; height: 350px;
      background: radial-gradient(ellipse at center, rgba(29, 123, 255, 0.12) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-center {
      text-align: center;
      max-width: 800px;
      margin: 0 auto;
      position: relative;
      z-index: 10;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(29, 123, 255, 0.1);
      border: 1px solid rgba(29, 123, 255, 0.3);
      padding: 6px 16px;
      border-radius: 50px;
      color: var(--glacier-blue);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 24px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .hero-title {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.25;
      color: #FFF;
      margin-bottom: 20px;
      letter-spacing: -1px;
      text-shadow: 0 4px 20px rgba(0,0,0,0.5);
    }
    .hero-title span {
      background: linear-gradient(135deg, #FFF 0%, var(--glacier-blue) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 18px;
      color: var(--text-muted);
      margin-bottom: 36px;
      line-height: 1.6;
    }
    .hero-btns {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 70px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 14px 28px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--glacier-blue) 0%, #1062D4 100%);
      color: #FFF;
      box-shadow: 0 4px 20px var(--glacier-glow);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 24px var(--glacier-glow);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-color);
      color: #FFF;
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-2px);
    }

    
    .hero-visual-wrapper {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
    }
    .hero-dashboard {
      background: rgba(11, 15, 25, 0.6);
      border: 1px solid rgba(29, 123, 255, 0.2);
      border-radius: 16px;
      padding: 24px;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(10px);
      position: relative;
      z-index: 5;
    }
    
    .dashboard-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 16px;
      margin-bottom: 16px;
    }
    .dashboard-title {
      font-size: 14px;
      color: #FFF;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .dashboard-dot {
      width: 8px;
      height: 8px;
      background-color: #10B981;
      border-radius: 50%;
      animation: pulse 1.5s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.6; }
      50% { transform: scale(1.2); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.6; }
    }
    .dashboard-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .db-card {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 16px;
    }
    .db-label { font-size: 12px; color: var(--text-muted); }
    .db-value { font-size: 20px; font-weight: 700; color: #FFF; margin: 8px 0; }
    .db-trend { font-size: 12px; color: #10B981; display: flex; align-items: center; gap: 4px; }
    .db-chart-placeholder {
      height: 100px;
      margin-top: 12px;
      background: linear-gradient(90deg, rgba(29, 123, 255, 0.05) 0%, rgba(29, 123, 255, 0.15) 50%, rgba(29, 123, 255, 0.05) 100%);
      border-radius: 6px;
      position: relative;
      overflow: hidden;
    }
    .db-chart-placeholder::after {
      content: '';
      position: absolute;
      top: 40%; left: 0; width: 100%; height: 2px;
      background: var(--glacier-blue);
      box-shadow: 0 0 8px var(--glacier-blue);
    }

    
    .surround-card {
      position: absolute;
      background: rgba(11, 15, 25, 0.85);
      border: 1px solid rgba(29, 123, 255, 0.25);
      padding: 16px;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
      backdrop-filter: blur(8px);
      z-index: 10;
      width: 200px;
      transition: all 0.3s ease;
    }
    .surround-card:hover {
      transform: translateY(-5px);
      border-color: var(--glacier-blue);
    }
    .sc-icon {
      font-size: 24px;
      margin-bottom: 8px;
    }
    .sc-title {
      font-size: 14px;
      font-weight: 600;
      color: #FFF;
      margin-bottom: 4px;
    }
    .sc-desc {
      font-size: 12px;
      color: var(--text-muted);
    }
    .sc-top-left { top: -20px; left: -100px; }
    .sc-top-right { top: -20px; right: -100px; }
    .sc-bottom-left { bottom: -20px; left: -100px; }
    .sc-bottom-right { bottom: -20px; right: -100px; }

    
    .section-title {
      text-align: center;
      margin-bottom: 50px;
    }
    .section-title h2 { font-size: 32px; color: #FFF; font-weight: 700; margin-bottom: 12px; }
    .section-title p { color: var(--text-muted); font-size: 16px; }

    
    .features { padding: 100px 0; background: #0B0F19; }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .feature-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 40px 30px;
      transition: all 0.3s ease;
    }
    .feature-card:hover {
      border-color: rgba(147, 51, 234, 0.4);
      background: rgba(147, 51, 234, 0.02);
      transform: translateY(-6px);
    }
    .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      background: rgba(147, 51, 234, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 20px;
      margin-bottom: 24px;
    }
    .feature-card h3 { color: #FFF; font-size: 20px; margin-bottom: 14px; font-weight: 600; }
    .feature-card p { color: var(--text-muted); font-size: 15px; }

    
    .metrics {
      background: linear-gradient(180deg, #0B0F19 0%, #060911 100%);
      padding: 60px 0;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    .metric-item h3 { font-size: 36px; color: var(--glacier-blue); font-weight: 800; margin-bottom: 8px; }
    .metric-item p { color: var(--text-muted); font-size: 14px; }

    
    .articles-section { padding: 100px 0; background-color: #0B0F19; }
    .article-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .article-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: all 0.3s ease;
    }
    .article-card:hover {
      transform: translateY(-6px);
      border-color: rgba(147, 51, 234, 0.3);
    }
    .article-image {
      height: 200px;
      background-size: cover;
      background-position: center;
      position: relative;
    }
    .article-tag {
      position: absolute;
      top: 16px; left: 16px;
      background: var(--primary);
      color: #FFF;
      font-size: 11px;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 4px;
      text-transform: uppercase;
    }
    .article-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .article-meta {
      display: flex;
      gap: 15px;
      font-size: 12px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }
    .article-title {
      font-size: 18px;
      color: #FFF;
      font-weight: 600;
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .article-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .article-footer {
      margin-top: auto;
      border-top: 1px solid var(--border-color);
      padding-top: 16px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .article-author { font-size: 13px; color: #FFF; display: flex; align-items: center; gap: 8px; }
    .article-more { color: var(--primary); font-size: 13px; font-weight: 600; }

    
    .cta {
      background: radial-gradient(circle at 80% 80%, rgba(147, 51, 234, 0.15) 0%, rgba(11, 15, 25, 1) 80%);
      padding: 80px 0;
      border-top: 1px solid var(--border-color);
      text-align: center;
    }
    .cta-box { max-width: 650px; margin: 0 auto; }
    .cta-box h2 { font-size: 32px; color: #FFF; font-weight: 700; margin-bottom: 16px; }
    .cta-box p { color: var(--text-muted); margin-bottom: 30px; }

    
    @media (max-width: 1024px) {
      .surround-card { display: none; }
      .hero-title { font-size: 38px; }
      .features-grid, .article-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .nav-list { display: none; }
      .menu-toggle { display: block; }
      .features-grid, .article-grid { grid-template-columns: 1fr; }
      .metrics-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr; }
      .hero-title { font-size: 32px; }
      .hero { padding: 60px 0 80px; }
      .hero-btns { flex-direction: column; width: 100%; max-width: 300px; margin: 0 auto 40px; }
      .dashboard-grid { grid-template-columns: 1fr; }
    }