:root {
      --primary: rgb(147, 51, 234);
      --primary-hover: rgb(126, 34, 206);
      --glacier-blue: #1D7BFF;
      --silver-white: #F8FAFC;
      --deep-ink: #0B0F19;
      --text-main: #F1F5F9;
      --text-muted: #94A3B8;
      --border-color: rgba(255, 255, 255, 0.08);
      --card-bg: rgba(15, 23, 42, 0.6);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--deep-ink);
      color: var(--text-main);
      line-height: 1.6;
      overflow-x: hidden;
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s; }
    img { max-width: 100%; height: auto; }

    
    header {
      background: rgba(11, 15, 25, 0.8);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
      height: 70px;
    }
    .header-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      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(--silver-white);
      white-space: nowrap;
    }
    .nav-list {
      display: flex;
      gap: 30px;
      list-style: none;
    }
    .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: var(--silver-white);
      font-size: 24px;
      cursor: pointer;
    }

    
    .drawer-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.7);
      backdrop-filter: blur(4px);
      z-index: 998;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
    }
    .drawer-overlay.active {
      opacity: 1;
      visibility: visible;
    }
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: -300px;
      width: 300px;
      height: 100%;
      background: var(--deep-ink);
      border-right: 1px solid var(--border-color);
      z-index: 999;
      padding: 30px 20px;
      display: flex;
      flex-direction: column;
      gap: 40px;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .mobile-drawer.active {
      left: 0;
    }
    .drawer-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .drawer-close {
      background: none;
      border: none;
      color: var(--text-muted);
      font-size: 24px;
      cursor: pointer;
    }
    .drawer-nav {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .drawer-nav a {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-main);
      padding: 10px 0;
      border-bottom: 1px solid var(--border-color);
    }

    
    .hero {
      position: relative;
      padding: 100px 20px;
      background: radial-gradient(circle at 50% 30%, rgba(29, 123, 255, 0.15) 0%, rgba(11, 15, 25, 0) 70%);
      text-align: center;
      overflow: hidden;
    }
    .hero-container {
      max-width: 1200px;
      margin: 0 auto;
    }
    .hero-tag {
      display: inline-block;
      padding: 6px 16px;
      background: rgba(29, 123, 255, 0.1);
      border: 1px solid rgba(29, 123, 255, 0.3);
      border-radius: 100px;
      font-size: 14px;
      color: var(--glacier-blue);
      margin-bottom: 24px;
      font-weight: 600;
    }
    .hero-title {
      font-size: 52px;
      font-weight: 800;
      line-height: 1.2;
      color: var(--silver-white);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-title span {
      background: linear-gradient(135deg, #00F2FE 0%, #1D7BFF 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;
    }
    .hero-buttons {
      display: flex;
      justify-content: center;
      gap: 16px;
      margin-bottom: 80px;
    }
    .btn {
      padding: 14px 32px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 16px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-primary {
      background: linear-gradient(135deg, #1D7BFF 0%, #00F2FE 100%);
      color: #fff;
      box-shadow: 0 4px 20px rgba(29, 123, 255, 0.4);
    }
    .btn-primary:hover {
      opacity: 0.95;
      transform: translateY(-2px);
    }
    .btn-secondary {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-color);
      color: var(--silver-white);
    }
    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.1);
    }

    
    .hero-visual {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding: 0 40px;
    }
    .main-dashboard {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 30px;
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
      backdrop-filter: blur(20px);
    }
    .dashboard-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 15px;
      margin-bottom: 20px;
    }
    .dashboard-dots {
      display: flex;
      gap: 6px;
    }
    .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.2);
    }
    .dot.active { background: var(--glacier-blue); }
    .chart-placeholder {
      height: 220px;
      background: radial-gradient(circle at center, rgba(29, 123, 255, 0.1) 0%, rgba(0,0,0,0) 80%);
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }
    .svg-chart {
      width: 100%;
      height: 100%;
    }
    .floating-card {
      position: absolute;
      background: rgba(15, 23, 42, 0.85);
      border: 1px solid rgba(29, 123, 255, 0.3);
      border-radius: 12px;
      padding: 16px 20px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.6);
      backdrop-filter: blur(10px);
      text-align: left;
      z-index: 10;
      width: 180px;
    }
    .floating-card.pos-1 { top: -20px; left: -20px; }
    .floating-card.pos-2 { top: -20px; right: -20px; }
    .floating-card.pos-3 { bottom: 20px; left: -40px; }
    .floating-card.pos-4 { bottom: 20px; right: -40px; }

    .floating-card h4 { font-size: 14px; color: var(--text-muted); margin-bottom: 6px; }
    .floating-card p { font-size: 18px; font-weight: 700; color: var(--silver-white); }
    .floating-card .trend-up { color: #10B981; font-size: 12px; }

    
    .metrics {
      padding: 60px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .metrics-container {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }
    .metric-card {
      text-align: center;
    }
    .metric-num {
      font-size: 40px;
      font-weight: 800;
      color: var(--glacier-blue);
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 14px;
      color: var(--text-muted);
    }

    
    .features {
      padding: 100px 20px;
      max-width: 1200px;
      margin: 0 auto;
    }
    .section-title {
      text-align: center;
      margin-bottom: 60px;
    }
    .section-title h2 {
      font-size: 36px;
      font-weight: 800;
      color: var(--silver-white);
      margin-bottom: 15px;
    }
    .section-title p {
      color: var(--text-muted);
      font-size: 16px;
    }
    .feature-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;
    }
    .feature-card:hover {
      border-color: var(--glacier-blue);
      transform: translateY(-5px);
    }
    .feature-icon {
      width: 48px;
      height: 48px;
      background: rgba(29, 123, 255, 0.1);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--glacier-blue);
      font-size: 24px;
      margin-bottom: 24px;
    }
    .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 12px;
      color: var(--silver-white);
    }
    .feature-card p {
      color: var(--text-muted);
      font-size: 14px;
    }

    
    .articles-section {
      background: rgba(15, 23, 42, 0.4);
      padding: 100px 20px;
    }
    .articles-container {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 40px;
    }
    .articles-column h3 {
      font-size: 24px;
      font-weight: 700;
      margin-bottom: 30px;
      color: var(--silver-white);
      border-left: 4px solid var(--glacier-blue);
      padding-left: 12px;
    }
    .article-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .article-card {
      background: var(--card-bg);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      gap: 20px;
      padding: 15px;
      transition: all 0.3s;
    }
    .article-card:hover {
      border-color: var(--glacier-blue);
    }
    .article-img {
      width: 160px;
      height: 100px;
      object-fit: cover;
      border-radius: 6px;
    }
    .article-info {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .article-title {
      font-size: 16px;
      font-weight: 600;
      color: var(--silver-white);
      margin-bottom: 8px;
    }
    .article-summary {
      font-size: 13px;
      color: var(--text-muted);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .article-meta {
      display: flex;
      gap: 15px;
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 10px;
    }

    
    .hot-list {
      display: flex;
      flex-direction: column;
      gap: 15px;
    }
    .hot-card {
      display: flex;
      gap: 15px;
      align-items: center;
      padding-bottom: 15px;
      border-bottom: 1px solid var(--border-color);
    }
    .hot-num {
      width: 24px;
      height: 24px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      border-radius: 4px;
    }
    .hot-card:nth-child(-n+3) .hot-num {
      background: var(--primary);
      color: #fff;
    }
    .hot-title {
      font-size: 14px;
      font-weight: 500;
      color: var(--silver-white);
    }

    
    .cta-section {
      padding: 100px 20px;
      text-align: center;
      background: linear-gradient(180deg, rgba(11, 15, 25, 0) 0%, rgba(147, 51, 234, 0.1) 100%);
    }
    .cta-card {
      max-width: 800px;
      margin: 0 auto;
      background: radial-gradient(circle at top right, rgba(147, 51, 234, 0.15), transparent);
      border: 1px solid rgba(147, 51, 234, 0.2);
      border-radius: 20px;
      padding: 60px 40px;
    }
    .cta-card h2 { font-size: 32px; font-weight: 800; margin-bottom: 15px; color: var(--silver-white); }
    .cta-card p { color: var(--text-muted); margin-bottom: 30px; }

    
    footer {
      background: #060913;
      border-top: 1px solid var(--border-color);
      padding: 80px 20px 30px;
      color: var(--text-muted);
    }
    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      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: 300px; }
    .footer-links h4 { color: var(--silver-white); font-size: 16px; font-weight: 600; margin-bottom: 20px; }
    .footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .footer-links a { font-size: 14px; }
    .footer-links a:hover { color: var(--glacier-blue); }
    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      padding-top: 30px;
      border-top: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
    }

    
    @media (max-width: 1024px) {
      .hero-title { font-size: 40px; }
      .feature-grid { grid-template-columns: repeat(2, 1fr); }
      .articles-container { grid-template-columns: 1fr; }
      .floating-card.pos-3 { left: -10px; }
      .floating-card.pos-4 { right: -10px; }
    }
    @media (max-width: 768px) {
      .nav-list { display: none; }
      .menu-toggle { display: block; }
      .metrics-container { grid-template-columns: repeat(2, 1fr); }
      .feature-grid { grid-template-columns: 1fr; }
      .floating-card { position: static; width: 100%; margin-top: 15px; box-shadow: none; }
      .hero-visual { padding: 0; }
      .footer-container { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 15px; text-align: center; }
    }