:root {
      --primary-color: #1D7BFF;
      --secondary-color: rgb(168,85,247);
      --bg-dark: #070B14;
      --bg-card: #0F1626;
      --text-main: #E2E8F0;
      --text-muted: #94A3B8;
      --border-color: #1E293B;
      --glacier-white: #F8FAFC;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
    
    
    header {
      background: rgba(15, 22, 38, 0.95);
      border-bottom: 1px solid var(--border-color);
      position: sticky; top: 0; z-index: 100;
      backdrop-filter: blur(8px);
    }
    .header-container {
      max-width: 1200px; margin: 0 auto; padding: 15px 20px;
      display: flex; justify-content: space-between; align-items: center;
    }
    .logo {
      display: inline-flex; align-items: center; gap: 12px;
    }
    .logo img {
      display: block; height: 40px; width: auto; max-width: 160px;
      object-fit: contain; flex-shrink: 0;
    }
    .logo span {
      display: inline-block; font-size: 20px; font-weight: 800;
      line-height: 1; color: var(--glacier-white); white-space: nowrap;
      background: linear-gradient(135deg, #1D7BFF, rgb(168,85,247));
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    nav.nav-desktop { display: flex; align-items: center; gap: 24px; }
    nav.nav-desktop a {
      color: var(--text-muted); font-weight: 500; font-size: 15px;
    }
    nav.nav-desktop a:hover, nav.nav-desktop a.active {
      color: var(--primary-color);
    }
    .menu-toggle {
      display: none; background: none; border: none; color: var(--text-main);
      font-size: 24px; cursor: pointer;
    }

    
    .hero {
      position: relative; padding: 100px 20px 140px;
      background: radial-gradient(circle at 50% 30%, rgba(29, 123, 255, 0.15) 0%, transparent 70%);
      text-align: center; overflow: hidden;
    }
    .hero-container { max-width: 1000px; margin: 0 auto; position: relative; z-index: 2; }
    .hero-slogan {
      display: inline-block; padding: 6px 16px; border-radius: 30px;
      background: rgba(29, 123, 255, 0.1); border: 1px solid rgba(29, 123, 255, 0.2);
      color: #00E5FF; font-size: 14px; font-weight: 600; margin-bottom: 24px;
      letter-spacing: 1px; text-transform: uppercase;
    }
    .hero h1 {
      font-size: 48px; font-weight: 800; color: var(--glacier-white);
      line-height: 1.2; margin-bottom: 20px; letter-spacing: -1px;
    }
    .hero h1 span {
      background: linear-gradient(135deg, #1D7BFF 0%, rgb(168,85,247) 100%);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    }
    .hero-subtitle {
      font-size: 18px; color: var(--text-muted); max-width: 700px;
      margin: 0 auto 40px; line-height: 1.6;
    }
    .hero-buttons {
      display: flex; justify-content: center; gap: 16px; margin-bottom: 60px;
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      padding: 12px 30px; font-size: 16px; font-weight: 600; border-radius: 8px;
      transition: all 0.3s ease; cursor: pointer;
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
      color: white; border: none; box-shadow: 0 4px 20px rgba(29, 123, 255, 0.4);
    }
    .btn-primary:hover {
      transform: translateY(-2px); box-shadow: 0 6px 24px rgba(29, 123, 255, 0.6);
    }
    .btn-secondary {
      background: rgba(255,255,255,0.05); color: var(--glacier-white);
      border: 1px solid rgba(255,255,255,0.1);
    }
    .btn-secondary:hover { background: rgba(255,255,255,0.1); }
    
    
    .visual-wrapper {
      position: relative; max-width: 800px; margin: 0 auto;
      background: rgba(15, 22, 38, 0.6); border: 1px solid rgba(255,255,255,0.08);
      border-radius: 16px; padding: 40px; backdrop-filter: blur(12px);
      box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    }
    .main-visual-panel {
      border: 1px dashed rgba(29, 123, 255, 0.3); border-radius: 12px;
      padding: 30px; background: rgba(7, 11, 20, 0.8);
    }
    .visual-inner-data {
      display: flex; flex-direction: column; gap: 15px; align-items: center;
    }
    .data-line {
      width: 100%; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden;
    }
    .data-bar {
      height: 100%; background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
      border-radius: 4px;
    }
    
    
    .floating-card {
      position: absolute; width: 180px; padding: 15px; border-radius: 12px;
      background: rgba(15, 22, 38, 0.9); border: 1px solid rgba(29,123,255,0.2);
      box-shadow: 0 10px 25px rgba(0,0,0,0.4); text-align: left;
      backdrop-filter: blur(8px); transition: all 0.3s ease;
    }
    .floating-card:hover { transform: scale(1.05); border-color: var(--secondary-color); }
    .card-top-left { top: -20px; left: -100px; }
    .card-top-right { top: -20px; right: -100px; }
    .card-bottom-left { bottom: -20px; left: -120px; }
    .card-bottom-right { bottom: -20px; right: -120px; }
    .floating-card h4 { font-size: 14px; color: var(--glacier-white); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
    .floating-card p { font-size: 12px; color: var(--text-muted); }
    .floating-card .icon-dot { width: 8px; height: 8px; border-radius: 50%; background: #00D2FF; display: inline-block; }

    
    section.features { padding: 80px 20px; max-width: 1200px; margin: 0 auto; }
    .section-title-wrap { text-align: center; margin-bottom: 50px; }
    .section-title { font-size: 32px; color: var(--glacier-white); font-weight: 700; margin-bottom: 12px; }
    .section-desc { color: var(--text-muted); max-width: 600px; margin: 0 auto; }
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .feat-card {
      background: var(--bg-card); border: 1px solid var(--border-color);
      border-radius: 12px; padding: 32px; transition: all 0.3s ease;
    }
    .feat-card:hover { transform: translateY(-5px); border-color: rgba(29, 123, 255, 0.3); }
    .feat-icon {
      width: 48px; height: 48px; border-radius: 10px; background: rgba(29,123,255,0.1);
      display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
      color: var(--primary-color); font-size: 20px; font-weight: bold;
    }
    .feat-card h3 { font-size: 20px; color: var(--glacier-white); margin-bottom: 12px; }
    .feat-card p { color: var(--text-muted); font-size: 14px; }

    
    .info-block { padding: 80px 20px; background: rgba(15, 22, 38, 0.4); border-top: 1px solid var(--border-color); }
    .info-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 40px; }
    
    
    .articles-section { padding: 80px 20px; max-width: 1200px; margin: 0 auto; }
    .article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .article-card {
      background: var(--bg-card); border: 1px solid var(--border-color);
      border-radius: 12px; overflow: hidden; display: flex; flex-direction: column;
      transition: all 0.3s ease;
    }
    .article-card:hover { transform: translateY(-5px); border-color: rgba(168,85,247,0.3); }
    .article-img { width: 100%; height: 180px; object-fit: cover; background: #161F30; }
    .article-content { padding: 20px; display: flex; flex-direction: column; flex-grow: 1; }
    .article-tag { font-size: 12px; color: var(--secondary-color); font-weight: 600; margin-bottom: 10px; text-transform: uppercase; }
    .article-title { font-size: 18px; color: var(--glacier-white); margin-bottom: 10px; font-weight: 700; line-height: 1.4; }
    .article-summary { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; line-height: 1.5; flex-grow: 1; }
    .article-meta {
      display: flex; justify-content: space-between; align-items: center;
      border-top: 1px solid var(--border-color); padding-top: 15px; font-size: 12px; color: var(--text-muted);
    }
    .meta-item { display: flex; align-items: center; gap: 6px; }

    
    .cta-section {
      padding: 80px 20px; background: linear-gradient(135deg, rgba(29, 123, 255, 0.1), rgba(168,85,247,0.1));
      border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); text-align: center;
    }
    .cta-container { max-width: 800px; margin: 0 auto; }
    .cta-container h2 { font-size: 36px; color: var(--glacier-white); margin-bottom: 20px; font-weight: 800; }
    .cta-container p { color: var(--text-muted); font-size: 16px; margin-bottom: 30px; }

    
    footer { background: #070B14; border-top: 1px solid var(--border-color); padding: 60px 20px 30px; }
    .footer-container {
      max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand p { color: var(--text-muted); font-size: 14px; margin-top: 15px; line-height: 1.6; }
    .footer-title { font-size: 16px; color: var(--glacier-white); font-weight: 600; margin-bottom: 20px; }
    .footer-links { list-style: none; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a { color: var(--text-muted); font-size: 14px; }
    .footer-links a:hover { color: var(--primary-color); }
    .footer-info { color: var(--text-muted); font-size: 14px; }
    .footer-info p { margin-bottom: 10px; }
    .footer-bottom {
      max-content: 1200px; margin: 0 auto; border-top: 1px solid var(--border-color);
      padding-top: 30px; display: flex; justify-content: space-between; align-items: center;
      font-size: 13px; color: var(--text-muted);
    }

    
    .drawer-overlay {
      position: fixed; top: 0; left: 0; width: 100%; height: 100%;
      background: rgba(0,0,0,0.6); z-index: 999; display: none; backdrop-filter: blur(4px);
    }
    .drawer-overlay.active { display: block; }
    .drawer {
      position: fixed; top: 0; left: -300px; width: 300px; height: 100%;
      background: var(--bg-card); border-right: 1px solid var(--border-color);
      z-index: 1000; transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      padding: 30px 20px; display: flex; flex-direction: column;
    }
    .drawer.active { left: 0; }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
    .drawer-close { background: none; border: none; color: var(--text-main); font-size: 24px; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 18px; color: var(--text-muted); font-weight: 500; }
    .drawer-nav a:hover, .drawer-nav a.active { color: var(--primary-color); }

    
    @media (max-width: 992px) {
      .hero h1 { font-size: 38px; }
      .floating-card { display: none; }
      .grid-3, .article-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-container { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      nav.nav-desktop { display: none; }
      .menu-toggle { display: block; }
      .grid-3, .article-grid { grid-template-columns: 1fr; }
      .footer-container { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 15px; text-align: center; }
    }