:root {
      --primary: #1D7BFF;
      --bg-dark: #0B192C;
      --bg-deep: #050C16;
      --bg-light: #F5F7FA;
      --text-main: #FFFFFF;
      --text-muted: #A3D0FC;
      --text-dark: #0B192C;
      --text-desc: #6F7D8C;
      --accent-blue: #A3D0FC;
      --border-color: rgba(29, 123, 255, 0.15);
      --glass-bg: rgba(11, 25, 44, 0.7);
      --glass-border: rgba(29, 123, 255, 0.25);
      --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
      --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: var(--bg-deep); color: var(--text-main); overflow-x: hidden; line-height: 1.6; }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    img { max-width: 100%; height: auto; }
    ul { list-style: none; }
    
    
    .header { background: var(--glass-bg); backdrop-filter: blur(12px); border-bottom: 1px solid var(--glass-border); position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; height: 70px; display: flex; align-items: center; }
    .header-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { height: 40px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
    .logo span { font-size: 20px; font-weight: 800; color: #FFFFFF; white-space: nowrap; letter-spacing: 0.5px; }
    .nav-desktop { display: flex; gap: 30px; }
    .nav-desktop a { font-size: 15px; font-weight: 500; color: var(--text-muted); position: relative; padding: 8px 0; }
    .nav-desktop a:hover, .nav-desktop a.active { color: #FFFFFF; }
    .nav-desktop a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
    .nav-desktop a:hover::after, .nav-desktop a.active::after { width: 100%; }
    .nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 6px; z-index: 1010; }
    .nav-toggle span { display: block; width: 24px; height: 2px; background: #FFFFFF; transition: var(--transition); }
    
    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); opacity: 0; visibility: hidden; z-index: 998; transition: var(--transition); }
    .drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: var(--bg-dark); z-index: 999; padding: 30px 20px; display: flex; flex-direction: column; gap: 40px; transition: var(--transition); border-right: 1px solid var(--glass-border); }
    .drawer.active { left: 0; }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; }
    .drawer-close { background: none; border: none; font-size: 28px; color: #FFFFFF; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { font-size: 16px; color: var(--text-muted); padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .drawer-nav a:hover { color: #FFFFFF; padding-left: 5px; }

    
    .page-header { background: radial-gradient(circle at center, #1E3E62 0%, var(--bg-deep) 100%); padding: 140px 0 60px; text-align: center; }
    .page-title { font-size: 36px; font-weight: 800; color: #FFFFFF; margin-bottom: 10px; }
    .page-description { font-size: 15px; color: var(--text-muted); max-width: 600px; margin: 0 auto; }

    
    .section { padding: 60px 0; }
    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; margin-bottom: 60px; }
    
    
    .dl-card { background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 16px; padding: 40px; text-align: center; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
    .dl-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--primary); }
    .dl-card-icon { font-size: 48px; margin-bottom: 20px; }
    .dl-card h3 { font-size: 24px; font-weight: 800; color: #FFFFFF; margin-bottom: 10px; }
    .dl-card-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
    .dl-btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 28px; background: var(--primary); color: #FFFFFF; border-radius: 8px; font-size: 16px; font-weight: 700; cursor: pointer; transition: var(--transition); border: none; width: 100%; box-shadow: 0 4px 15px rgba(29, 123, 255, 0.4); }
    .dl-btn:hover { background: #156AE0; transform: translateY(-2px); }

    
    .section-header-left { margin-bottom: 30px; border-left: 4px solid var(--primary); padding-left: 15px; }
    .section-header-left h2 { font-size: 24px; font-weight: 800; color: #FFFFFF; }
    
    .steps-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 60px; }
    .step-card { background: var(--bg-dark); border: 1px solid var(--glass-border); border-radius: 12px; padding: 30px; position: relative; }
    .step-num { position: absolute; top: 20px; right: 20px; font-size: 36px; font-weight: 900; color: rgba(29, 123, 255, 0.15); line-height: 1; }
    .step-card h4 { font-size: 16px; font-weight: 700; color: #FFFFFF; margin-bottom: 12px; }
    .step-card p { font-size: 13px; color: var(--text-muted); }

    
    .faq-wrapper { display: flex; flex-direction: column; gap: 15px; }
    .faq-item { background: var(--bg-dark); border: 1px solid var(--border-color); border-radius: 8px; padding: 20px; cursor: pointer; transition: var(--transition); }
    .faq-item:hover { border-color: var(--primary); }
    .faq-question { font-size: 15px; font-weight: 700; color: #FFFFFF; display: flex; justify-content: space-between; align-items: center; }
    .faq-answer { font-size: 13px; color: var(--text-muted); margin-top: 10px; display: none; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 10px; }
    .faq-item.active .faq-answer { display: block; }
    .faq-arrow { transition: var(--transition); }
    .faq-item.active .faq-arrow { transform: rotate(180deg); }

    
    .footer { background: #050C16; border-top: 1px solid var(--border-color); padding: 80px 0 30px; font-size: 14px; color: var(--text-muted); }
    .footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 50px; }
    .footer-brand { display: flex; flex-direction: column; gap: 20px; }
    .footer-brand p { font-size: 13px; line-height: 1.6; color: var(--text-muted); }
    .footer-links h4 { font-size: 15px; font-weight: 700; color: #FFFFFF; margin-bottom: 20px; }
    .footer-links ul { display: flex; flex-direction: column; gap: 12px; }
    .footer-links a:hover { color: #FFFFFF; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
    .footer-copyright { font-size: 12px; }
    .footer-meta-links { display: flex; gap: 20px; font-size: 12px; }

    @media (max-width: 768px) {
      .nav-desktop { display: none; }
      .nav-toggle { display: flex; }
      .grid-2, .steps-flow { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }