:root { --primary: rgb(24,119,242); --primary-light: rgba(24,119,242,0.08); --accent: #F5A623; --text-main: #2C3E50; --text-muted: #64748B; --bg-body: #F8FAFC; --bg-white: #FFFFFF; --border-color: #E2E8F0; --shadow-sm: 0 2px 4px rgba(0,0,0,0.05); --shadow-md: 0 10px 20px rgba(0,0,0,0.08); --radius: 12px; --transition: all 0.3s ease; }
        * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: -apple-system, sans-serif; background: var(--bg-body); color: var(--text-main); line-height: 1.6; } a { text-decoration: none; color: inherit; transition: var(--transition); } ul { list-style: none; } img { max-width: 100%; display: block; } .container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; border-radius: 8px; font-weight: 600; font-size: 15px; cursor: pointer; transition: var(--transition); } .btn-outline { border: 1px solid var(--primary); color: var(--primary); }
        .header { background: var(--bg-white); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; height: 72px; display: flex; align-items: center; } .header-inner { display: flex; justify-content: space-between; align-items: center; width: 100%; } .logo { display: inline-flex; align-items: center; gap: 12px; } .logo img { display: block; height: 36px; 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: var(--text-main); white-space: nowrap; } .desktop-nav { display: flex; gap: 32px; } .desktop-nav a { font-size: 15px; font-weight: 500; padding: 8px 0; position: relative; } .desktop-nav a:hover { color: var(--primary); } .header-action { display: flex; align-items: center; gap: 16px; } .mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; } .mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--text-main); }
        .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 999; opacity: 0; visibility: hidden; } .drawer-overlay.active { opacity: 1; visibility: visible; } .mobile-drawer { position: fixed; top: 0; left: -300px; width: 280px; height: 100%; background: var(--bg-white); z-index: 1000; transition: var(--transition); box-shadow: var(--shadow-md); display: flex; flex-direction: column; } .mobile-drawer.active { left: 0; } .drawer-header { padding: 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; } .close-drawer { background: none; border: none; font-size: 28px; cursor: pointer; color: var(--text-muted); } .drawer-nav { padding: 20px; overflow-y: auto; flex-grow: 1; } .drawer-nav a { display: block; padding: 15px 0; border-bottom: 1px solid var(--border-color); font-size: 16px; font-weight: 500; }
        
        .download-hero { padding: 100px 0; background: linear-gradient(135deg, #0A192F 0%, #1a365d 100%); color: #fff; text-align: center; }
        .download-hero h1 { font-size: 48px; font-weight: 800; margin-bottom: 20px; }
        .download-hero p { font-size: 18px; opacity: 0.8; max-width: 600px; margin: 0 auto 40px; }
        .dl-platforms { display: flex; justify-content: center; gap: 30px; margin-bottom: 40px; flex-wrap: wrap; }
        .dl-btn { display: inline-flex; align-items: center; gap: 15px; padding: 15px 40px; border-radius: 50px; background: rgba(255,255,255,0.1); border: 2px solid rgba(255,255,255,0.2); font-size: 18px; font-weight: bold; color: #fff; transition: var(--transition); }
        .dl-btn:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(24,119,242,0.3); }
        .dl-icon { font-size: 28px; }
        
        .steps-section { padding: 80px 0; background: var(--bg-white); }
        .section-title { text-align: center; font-size: 32px; font-weight: 700; margin-bottom: 60px; color: #1e293b; }
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; position: relative; }
        .steps-grid::before { content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 2px; background: var(--border-color); z-index: 1; }
        .step-card { text-align: center; position: relative; z-index: 2; }
        .step-number { width: 80px; height: 80px; background: var(--bg-white); border: 4px solid var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 32px; font-weight: bold; color: var(--primary); margin: 0 auto 20px; box-shadow: 0 0 0 10px var(--bg-white); }
        .step-card h3 { font-size: 20px; margin-bottom: 10px; }
        .step-card p { color: var(--text-muted); font-size: 15px; }

        .faq-section { padding: 80px 0; background: var(--bg-body); }
        .faq-container { max-width: 800px; margin: 0 auto; }
        .faq-item { background: var(--bg-white); margin-bottom: 15px; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); border-left: 4px solid var(--primary); }
        .faq-item h4 { font-size: 16px; margin-bottom: 10px; color: var(--text-main); }
        .faq-item p { font-size: 14px; color: var(--text-muted); }
        
        .footer { background: #0F172A; color: #94A3B8; padding: 60px 0 30px;} .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; } .footer h4 { color: #fff; font-size: 18px; margin-bottom: 20px; } .footer-links ul li { margin-bottom: 10px; } .footer-links ul li a:hover { color: var(--primary); } .footer-logo span { color: #fff; } .footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 14px; }
        @media (max-width: 992px) { .desktop-nav, .header-action .btn-outline { display: none; } .mobile-toggle { display: flex; } .steps-grid::before { display: none; } .steps-grid { grid-template-columns: 1fr; } .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 768px) { .download-hero h1 { font-size: 36px; } .dl-platforms { flex-direction: column; align-items: center; } .footer-grid { grid-template-columns: 1fr; } }