:root {
      --primary: #1D7BFF;
      --theme-glow: rgb(139,233,253);
      --deep-ink: #0B0F19;
      --dark-card: #111827;
      --silver-white: #F3F4F6;
      --text-muted: #9CA3AF;
      --border-color: rgba(139, 233, 253, 0.15);
      --glass-bg: rgba(17, 24, 39, 0.75);
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body {
      background-color: var(--deep-ink);
      color: var(--silver-white);
      font-family: -apple-system, BlinkMacSystemFont, sans-serif;
      line-height: 1.6;
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }

    
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 15, 25, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      max-width: 1200px;
      margin: 0 auto;
      padding: 16px 20px;
    }
    .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: 18px;
      font-weight: 800;
      line-height: 1;
      color: var(--silver-white);
      text-shadow: 0 0 10px rgba(139, 233, 253, 0.3);
      white-space: nowrap;
    }
    .desktop-nav { display: flex; gap: 24px; }
    .desktop-nav a { font-size: 15px; font-weight: 500; color: var(--text-muted); }
    .desktop-nav a:hover { color: var(--theme-glow); text-shadow: 0 0 8px rgba(139, 233, 253, 0.5); }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .nav-btn {
      background: linear-gradient(135deg, var(--primary), var(--theme-glow));
      color: #000;
      font-weight: 600;
      padding: 8px 18px;
      border-radius: 6px;
      font-size: 14px;
    }
    .nav-btn:hover { box-shadow: 0 0 15px rgba(139, 233, 253, 0.4); }
    .drawer-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
    .drawer-toggle span { display: block; width: 24px; height: 2px; background-color: var(--silver-white); }

    
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      z-index: 200;
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .mobile-drawer.active { left: 0; }
    .drawer-backdrop {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.8);
      backdrop-filter: blur(4px);
    }
    .drawer-content {
      position: absolute;
      top: 0;
      left: 0;
      width: 280px;
      height: 100%;
      background: var(--dark-card);
      border-right: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      padding: 24px;
    }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
    .drawer-close { background: none; border: none; font-size: 28px; color: var(--silver-white); cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 18px; font-weight: 500; }
    .drawer-footer { margin-top: auto; font-size: 12px; color: var(--text-muted); }

    
    .dl-wrapper {
      max-width: 1100px;
      margin: 60px auto 100px auto;
      padding: 0 20px;
    }
    .dl-header { text-align: center; margin-bottom: 60px; }
    .dl-header h1 { font-size: 38px; color: #FFF; margin-bottom: 12px; }
    .dl-header p { font-size: 16px; color: var(--text-muted); }

    .dl-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
      margin-bottom: 60px;
    }
    .dl-card {
      background: var(--dark-card);
      border: 1px solid rgba(139, 233, 253, 0.1);
      border-radius: 16px;
      padding: 40px;
      text-align: center;
      transition: transform 0.3s ease;
    }
    .dl-card:hover { transform: translateY(-5px); border-color: var(--theme-glow); }
    .dl-icon { font-size: 48px; margin-bottom: 20px; }
    .dl-card h3 { font-size: 24px; color: #FFF; margin-bottom: 12px; }
    .dl-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 30px; }
    .dl-btn {
      display: inline-block;
      background: linear-gradient(135deg, var(--primary), var(--theme-glow));
      color: #000;
      font-weight: 700;
      padding: 12px 30px;
      border-radius: 8px;
    }

    
    .dl-faq {
      background: rgba(255,255,255,0.01);
      border: 1px solid rgba(255,255,255,0.03);
      border-radius: 16px;
      padding: 40px;
    }
    .dl-faq h3 { font-size: 22px; color: #FFF; margin-bottom: 30px; border-left: 4px solid var(--primary); padding-left: 12px; }
    .faq-step { display: flex; gap: 20px; margin-bottom: 24px; }
    .faq-num {
      width: 32px;
      height: 32px;
      background: var(--primary);
      color: #FFF;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }
    .faq-text h5 { font-size: 16px; color: #FFF; margin-bottom: 6px; }
    .faq-text p { font-size: 14px; color: var(--text-muted); }

    
    .site-footer {
      background: #060910;
      border-top: 1px solid var(--border-color);
      padding: 60px 20px 30px 20px;
    }
    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand p { margin-top: 15px; font-size: 13px; color: var(--text-muted); }
    .footer-links-group h4, .footer-contact h4 {
      font-size: 15px;
      color: #FFF;
      margin-bottom: 20px;
      font-weight: 700;
    }
    .footer-links-group ul { list-style: none; }
    .footer-links-group ul li { margin-bottom: 12px; }
    .footer-links-group ul li a { font-size: 13px; color: var(--text-muted); }
    .footer-links-group ul li a:hover { color: var(--theme-glow); }
    .footer-contact p { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.05);
      padding-top: 30px;
      text-align: center;
      font-size: 12px;
      color: var(--text-muted);
    }

    @media (max-width: 1023px) {
      .drawer-toggle { display: flex; }
      .desktop-nav, .header-actions .nav-btn { display: none; }
      .dl-grid { grid-template-columns: 1fr; }
      .footer-container { grid-template-columns: 1fr; gap: 20px; }
    }