:root {
      --primary: rgb(79,70,229);
      --primary-hover: #4338ca;
      --glacier-blue: #1D7BFF;
      --silver-white: #f8fafc;
      --deep-sea: #0B0F19;
      --dark-card: #151D30;
      --border-color: rgba(255, 255, 255, 0.08);
      --text-main: #f3f4f6;
      --text-muted: #9ca3af;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--deep-sea);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    ul, li {
      list-style: none;
    }
    img {
      max-width: 100%;
      height: auto;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    
    .header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 100;
      background: rgba(11, 15, 25, 0.85);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .header-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .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: 20px;
      font-weight: 800;
      line-height: 1;
      color: #fff;
      white-space: nowrap;
      letter-spacing: 0.5px;
    }
    .nav-list {
      display: flex;
      gap: 32px;
    }
    .nav-list a {
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
    }
    .nav-list a:hover {
      color: var(--glacier-blue);
    }
    .nav-btn {
      background: var(--glacier-blue);
      color: #fff;
      padding: 8px 18px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
    }
    .nav-btn:hover {
      background: #1462d4;
    }

    
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      flex-direction: column;
      gap: 5px;
      padding: 5px;
    }
    .nav-toggle span {
      display: block;
      width: 24px;
      height: 2px;
      background-color: #fff;
      transition: var(--transition);
    }

    
    .drawer {
      position: fixed;
      top: 0;
      left: -100%;
      width: 300px;
      height: 100vh;
      background: var(--deep-sea);
      z-index: 1000;
      box-shadow: 4px 0 24px rgba(0,0,0,0.5);
      transition: var(--transition);
      padding: 30px 20px;
      display: flex;
      flex-direction: column;
      gap: 40px;
      border-right: 1px solid var(--border-color);
    }
    .drawer.active {
      left: 0;
    }
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(4px);
      z-index: 999;
      display: none;
    }
    .drawer-overlay.active {
      display: block;
    }
    .drawer-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .drawer-close {
      font-size: 28px;
      background: none;
      border: none;
      color: #fff;
      cursor: pointer;
    }
    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .drawer-nav a {
      font-size: 16px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 8px 0;
      border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    .drawer-nav a:hover {
      color: var(--glacier-blue);
      padding-left: 8px;
    }

    
    .hero {
      position: relative;
      padding-top: 140px;
      padding-bottom: 100px;
      background: radial-gradient(circle at 50% 30%, rgba(29, 123, 255, 0.15) 0%, rgba(11, 15, 25, 0) 60%), #050811;
      text-align: center;
      overflow: hidden;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      padding: 6px 14px;
      background: rgba(29, 123, 255, 0.1);
      border: 1px solid rgba(29, 123, 255, 0.25);
      border-radius: 50px;
      color: var(--glacier-blue);
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 24px;
      letter-spacing: 1px;
    }
    .hero-title {
      font-size: 48px;
      font-weight: 800;
      line-height: 1.25;
      color: #fff;
      max-width: 850px;
      margin: 0 auto 20px;
    }
    .hero-subtitle {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 650px;
      margin: 0 auto 36px;
    }
    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 60px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      font-size: 15px;
      font-weight: 600;
      border-radius: 8px;
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-primary {
      background: var(--glacier-blue);
      color: #fff;
      border: none;
      box-shadow: 0 4px 20px rgba(29, 123, 255, 0.35);
    }
    .btn-primary:hover {
      background: #1462d4;
      transform: translateY(-2px);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.05);
      color: #fff;
      border: 1px solid var(--border-color);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
      transform: translateY(-2px);
    }

    
    .hero-visual-panel {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      background: rgba(21, 29, 48, 0.5);
      border: 1px solid rgba(29, 123, 255, 0.2);
      border-radius: 16px;
      padding: 40px;
      box-shadow: 0 20px 50px rgba(0,0,0,0.5);
      backdrop-filter: blur(10px);
    }
    .panel-screen {
      background: #0d1527;
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.05);
      padding: 24px;
      min-height: 220px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      text-align: left;
    }
    .mock-chart-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 14px;
      color: var(--text-muted);
      border-bottom: 1px solid rgba(255,255,255,0.05);
      padding-bottom: 12px;
    }
    .status-indicator {
      display: flex;
      align-items: center;
      gap: 6px;
      color: #10b981;
      font-weight: 600;
    }
    .status-indicator .dot {
      width: 8px;
      height: 8px;
      background: #10b981;
      border-radius: 50%;
      display: inline-block;
      animation: blink 1.5s infinite;
    }
    @keyframes blink {
      0%, 100% { opacity: 0.3; }
      50% { opacity: 1; }
    }
    .mock-chart-body {
      margin-top: 20px;
      height: 120px;
      background: linear-gradient(180deg, rgba(29, 123, 255, 0.1) 0%, rgba(29, 123, 255, 0) 100%);
      border-radius: 4px;
      position: relative;
      overflow: hidden;
    }
    .chart-line {
      position: absolute;
      width: 100%;
      height: 2px;
      background: var(--glacier-blue);
      top: 45%;
      box-shadow: 0 0 10px var(--glacier-blue);
    }

    
    .floating-card {
      position: absolute;
      background: rgba(21, 29, 48, 0.95);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 12px;
      padding: 16px 20px;
      display: flex;
      align-items: center;
      gap: 14px;
      text-align: left;
      box-shadow: 0 10px 25px rgba(0,0,0,0.3);
      transition: var(--transition);
      z-index: 5;
    }
    .floating-card:hover {
      transform: translateY(-4px);
      border-color: var(--glacier-blue);
    }
    .f-icon {
      font-size: 24px;
      background: rgba(29, 123, 255, 0.1);
      color: var(--glacier-blue);
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
    }
    .f-val {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
    }
    .f-lbl {
      font-size: 12px;
      color: var(--text-muted);
    }

    
    .f-card-1 { top: -20px; left: -40px; }
    .f-card-2 { top: -20px; right: -40px; }
    .f-card-3 { bottom: -20px; left: -40px; }
    .f-card-4 { bottom: -20px; right: -40px; }

    
    .section-title {
      font-size: 32px;
      font-weight: 700;
      text-align: center;
      margin-bottom: 12px;
      color: #fff;
    }
    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      text-align: center;
      max-width: 600px;
      margin: 0 auto 50px;
    }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 24px;
      margin-bottom: 80px;
    }
    .feature-card {
      background: var(--dark-card);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 36px;
      transition: var(--transition);
    }
    .feature-card:hover {
      transform: translateY(-5px);
      border-color: rgba(29, 123, 255, 0.3);
    }
    .feature-icon {
      width: 56px;
      height: 56px;
      background: rgba(79, 70, 229, 0.1);
      color: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 28px;
      margin-bottom: 24px;
    }
    .feature-title {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 12px;
    }
    .feature-desc {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.6;
    }

    
    .articles-section {
      padding: 80px 0;
      background: rgba(255,255,255,0.01);
      border-top: 1px solid var(--border-color);
    }
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
      gap: 30px;
      margin-bottom: 50px;
    }
    .article-card {
      background: var(--dark-card);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .article-card:hover {
      transform: translateY(-5px);
      border-color: rgba(29,123,255,0.3);
    }
    .article-img {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .article-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .article-card:hover .article-img img {
      transform: scale(1.05);
    }
    .article-meta {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(11, 15, 25, 0.8);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 12px;
      color: var(--glacier-blue);
    }
    .article-content {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .article-title {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .article-summary {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 20px;
      flex: 1;
    }
    .article-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
      border-top: 1px solid rgba(255,255,255,0.05);
      padding-top: 16px;
    }
    .article-readmore {
      color: var(--glacier-blue);
      font-weight: 600;
    }

    
    .trust-block {
      padding: 80px 0;
      text-align: center;
      background: linear-gradient(180deg, rgba(11,15,25,0) 0%, rgba(29,123,255,0.04) 100%);
    }

    
    .footer {
      background: #060911;
      border-top: 1px solid var(--border-color);
      padding: 80px 0 40px;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr repeat(3, 1fr);
      gap: 40px;
      margin-bottom: 60px;
    }
    .footer-brand {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .footer-brand p {
      font-size: 14px;
      max-width: 320px;
    }
    .footer-title {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 20px;
    }
    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-links a {
      font-size: 14px;
    }
    .footer-links a:hover {
      color: var(--glacier-blue);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.05);
      padding-top: 40px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
    }

    
    @media (max-width: 1024px) {
      .hero-title { font-size: 38px; }
      .floating-card {
        position: static;
        margin: 10px auto;
        max-width: 280px;
      }
      .hero-visual-panel {
        padding: 20px;
        display: flex;
        flex-direction: column;
        gap: 16px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-list, .nav-btn { display: none; }
      .nav-toggle { display: flex; }
      .hero-actions { flex-direction: column; align-items: center; }
      .btn { width: 100%; max-width: 300px; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
    }