:root {
      --primary-color: #1D7BFF; 
      --secondary-color: #00F0FF; 
      --dark-bg: rgb(31,41,55); 
      --darker-bg: #111827;
      --light-bg: #F3F4F6;
      --silver-white: #F9FAFB;
      --text-main: #111827;
      --text-muted: #6B7280;
      --border-color: #E5E7EB;
      --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
      --glass-bg: rgba(255, 255, 255, 0.08);
      --glass-border: rgba(255, 255, 255, 0.1);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; color: var(--text-main); background: var(--silver-white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
    a { color: inherit; text-decoration: none; transition: all 0.3s; }
    img { max-width: 100%; height: auto; }

    
    .header { background: var(--dark-bg); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--glass-border); }
    .header-container { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; }
    .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-menu { display: flex; align-items: center; gap: 24px; }
    .nav-menu a { color: rgba(255,255,255,0.8); font-size: 15px; font-weight: 500; }
    .nav-menu a:hover { color: var(--secondary-color); }
    .menu-toggle { display: none; background: none; border: none; color: #FFF; font-size: 24px; cursor: pointer; }

    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1000; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
    .drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: var(--dark-bg); z-index: 1001; transition: left 0.3s ease; display: flex; flex-direction: column; box-shadow: 5px 0 15px rgba(0,0,0,0.3); }
    .drawer-header { padding: 20px; border-bottom: 1px solid var(--glass-border); display: flex; align-items: center; justify-content: space-between; }
    .drawer-close { background: none; border: none; color: #FFF; font-size: 24px; cursor: pointer; }
    .drawer-content { flex: 1; overflow-y: auto; padding: 20px; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { color: #FFF; font-size: 16px; font-weight: 500; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,0.05); }
    .drawer-overlay.active { opacity: 1; pointer-events: auto; }
    .drawer.active { left: 0; }

    
    .hero-layout-01 { background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%); color: #FFF; padding: 100px 20px 140px; position: relative; overflow: hidden; text-align: center; }
    .hero-layout-01::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(29,123,255,0.15) 0%, transparent 60%); pointer-events: none; }
    .hero-container { max-width: 1200px; margin: 0 auto; position: relative; z-index: 2; }
    .hero-badge { display: inline-flex; align-items: center; background: rgba(29, 123, 255, 0.2); border: 1px solid rgba(29, 123, 255, 0.4); color: var(--secondary-color); padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 24px; letter-spacing: 1px; }
    .hero-title { font-size: 48px; font-weight: 800; line-height: 1.25; margin-bottom: 20px; letter-spacing: -0.5px; }
    .hero-title span { background: linear-gradient(90deg, #FFF, var(--secondary-color)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
    .hero-subtitle { font-size: 18px; color: rgba(255, 255, 255, 0.7); max-width: 800px; margin: 0 auto 40px; line-height: 1.6; }
    .hero-actions { display: flex; justify-content: center; gap: 16px; margin-bottom: 80px; }
    .btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 32px; border-radius: 8px; font-size: 16px; font-weight: 600; cursor: pointer; transition: all 0.3s; border: none; }
    .btn-primary { background: var(--primary-color); color: #FFF; box-shadow: 0 4px 14px rgba(29, 123, 255, 0.4); }
    .btn-primary:hover { background: #0062E6; transform: translateY(-2px); }
    .btn-secondary { background: rgba(255, 255, 255, 0.1); color: #FFF; border: 1px solid rgba(255, 255, 255, 0.2); }
    .btn-secondary:hover { background: rgba(255, 255, 255, 0.2); transform: translateY(-2px); }
    
    
    .hero-main-panel { position: relative; max-width: 900px; margin: 0 auto; background: rgba(17, 24, 39, 0.6); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 16px; padding: 40px; backdrop-filter: blur(20px); box-shadow: 0 30px 60px rgba(0,0,0,0.4); }
    .panel-header { display: flex; align-items: center; gap: 6px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 15px; margin-bottom: 20px; }
    .panel-dot { width: 10px; height: 10px; border-radius: 50%; }
    .dot-1 { background: #FF5F56; }
    .dot-2 { background: #FFBD2E; }
    .dot-3 { background: #27C93F; }
    .panel-title { color: rgba(255,255,255,0.6); font-size: 12px; font-family: monospace; margin-left: 10px; }
    .panel-body-mock { min-height: 180px; display: flex; flex-direction: column; justify-content: center; align-items: center; }
    .panel-brand { font-size: 32px; font-weight: 800; color: #FFF; margin-bottom: 8px; letter-spacing: 2px; }
    .panel-brand span { color: var(--primary-color); }
    .panel-desc { font-size: 14px; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 3px; }

    
    .floating-card { position: absolute; background: rgba(31, 41, 55, 0.9); border: 1px solid var(--glass-border); border-radius: 12px; padding: 16px 20px; display: flex; align-items: center; gap: 15px; text-align: left; width: 260px; backdrop-filter: blur(10px); transition: all 0.3s ease; box-shadow: 0 15px 30px rgba(0,0,0,0.2); }
    .floating-card:hover { transform: translateY(-5px); border-color: var(--secondary-color); }
    .fc-icon { width: 44px; height: 44px; background: rgba(29, 123, 255, 0.1); border: 1px solid rgba(29, 123, 255, 0.2); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 20px; color: var(--secondary-color); flex-shrink: 0; }
    .fc-info h4 { font-size: 15px; font-weight: 700; color: #FFF; margin-bottom: 4px; }
    .fc-info p { font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.3; }
    .card-1 { top: -40px; left: -100px; }
    .card-2 { top: -40px; right: -100px; }
    .card-3 { bottom: -40px; left: -100px; }
    .card-4 { bottom: -40px; right: -100px; }

    
    .section-padding { padding: 80px 20px; }
    .section-title { text-align: center; max-width: 700px; margin: 0 auto 60px; }
    .section-title h2 { font-size: 32px; font-weight: 800; margin-bottom: 15px; color: var(--text-main); }
    .section-title p { color: var(--text-muted); font-size: 16px; }
    .features-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
    .feature-card { background: #FFF; padding: 40px 30px; border-radius: 12px; border: 1px solid var(--border-color); box-shadow: var(--card-shadow); transition: all 0.3s; }
    .feature-card:hover { transform: translateY(-5px); border-color: var(--primary-color); }
    .feat-icon { width: 60px; height: 60px; background: rgba(29, 123, 255, 0.05); border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 28px; color: var(--primary-color); margin-bottom: 25px; }
    .feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
    .feature-card p { color: var(--text-muted); font-size: 14px; }

    
    .steps-section { background: var(--dark-bg); color: #FFF; }
    .steps-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
    .step-item { position: relative; background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05); padding: 30px; border-radius: 12px; }
    .step-num { font-size: 48px; font-weight: 900; color: rgba(29,123,255,0.2); line-height: 1; margin-bottom: 15px; }
    .step-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
    .step-item p { color: rgba(255,255,255,0.6); font-size: 13px; }

    
    .articles-section { background: #FFF; }
    .articles-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
    .article-card { background: #FFF; border-radius: 12px; overflow: hidden; border: 1px solid var(--border-color); box-shadow: var(--card-shadow); display: flex; flex-direction: column; height: 100%; transition: all 0.3s; }
    .article-card:hover { transform: translateY(-5px); box-shadow: 0 15px 40px rgba(0,0,0,0.08); }
    .art-img { height: 200px; overflow: hidden; background: #E5E7EB; position: relative; }
    .art-img img { width: 100%; height: 100%; object-fit: cover; }
    .art-badge { position: absolute; top: 15px; left: 15px; background: var(--primary-color); color: #FFF; padding: 4px 10px; border-radius: 4px; font-size: 11px; font-weight: 600; }
    .art-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
    .art-meta { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-muted); margin-bottom: 12px; }
    .art-meta-item { display: flex; align-items: center; gap: 4px; }
    .art-title { font-size: 18px; font-weight: 700; line-height: 1.4; margin-bottom: 12px; color: var(--text-main); }
    .art-summary { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.5; flex-1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .art-footer { border-top: 1px solid var(--border-color); padding-top: 15px; display: flex; align-items: center; justify-content: space-between; font-size: 13px; font-weight: 600; color: var(--primary-color); }

    
    .trust-section { background: var(--light-bg); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
    .trust-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; text-align: center; }
    .trust-content h3 { font-size: 24px; font-weight: 800; margin-bottom: 15px; }
    .trust-content p { color: var(--text-muted); font-size: 15px; max-width: 800px; margin-bottom: 30px; }
    .trust-badges { display: flex; gap: 30px; justify-content: center; flex-wrap: wrap; }
    .badge-item { background: #FFF; border: 1px solid var(--border-color); padding: 15px 30px; border-radius: 8px; font-size: 14px; font-weight: 700; color: var(--text-main); display: flex; align-items: center; gap: 10px; }

    
    .cta-section { background: linear-gradient(135deg, var(--primary-color) 0%, #0062E6 100%); color: #FFF; text-align: center; position: relative; overflow: hidden; }
    .cta-container { max-width: 800px; margin: 0 auto; position: relative; z-index: 2; }
    .cta-container h2 { font-size: 36px; font-weight: 800; margin-bottom: 20px; }
    .cta-container p { font-size: 16px; color: rgba(255,255,255,0.8); margin-bottom: 35px; }

    
    .footer { background: var(--darker-bg); color: rgba(255,255,255,0.6); padding: 80px 20px 40px; border-top: 1px solid rgba(255,255,255,0.05); }
    .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 60px; }
    .footer-brand .logo { margin-bottom: 20px; }
    .footer-brand .logo span { color: #FFF; }
    .footer-desc { font-size: 13px; line-height: 1.6; margin-bottom: 20px; }
    .footer-title { font-size: 15px; font-weight: 700; color: #FFF; margin-bottom: 20px; letter-spacing: 0.5px; }
    .footer-links { list-style: none; }
    .footer-links li { margin-bottom: 12px; }
    .footer-links a { font-size: 13px; color: rgba(255,255,255,0.6); }
    .footer-links a:hover { color: var(--primary-color); }
    .footer-contact p { font-size: 13px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
    .footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; align-items: center; font-size: 12px; flex-wrap: wrap; gap: 15px; }

    
    @media (max-width: 1200px) {
      .floating-card { position: static; width: 100%; margin-bottom: 15px; }
      .hero-main-panel { padding: 30px 20px; margin-top: 40px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
      .panel-header, .panel-body-mock { display: none; }
      .card-1, .card-2, .card-3, .card-4 { position: static; }
    }
    @media (max-width: 991px) {
      .nav-menu { display: none; }
      .menu-toggle { display: block; }
      .features-grid { grid-template-columns: repeat(2, 1fr); }
      .steps-grid { grid-template-columns: repeat(2, 1fr); }
      .articles-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-container { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 768px) {
      .hero-title { font-size: 32px; }
      .hero-subtitle { font-size: 15px; }
      .hero-main-panel { grid-template-columns: 1fr; }
      .features-grid { grid-template-columns: 1fr; }
      .steps-grid { grid-template-columns: 1fr; }
      .articles-grid { grid-template-columns: 1fr; }
      .footer-container { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; text-align: center; }
    }