:root { --primary: rgb(68, 71, 90); --primary-dark: rgb(48, 51, 65); --accent: #e63946; --bg: #f4f5f7; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: sans-serif; background: var(--bg); color: #333; line-height: 1.6; }
        a { text-decoration: none; color: inherit; }
        
        
        .site-header { background-color: var(--primary); color: #fff; position: sticky; top: 0; z-index: 100; }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; padding: 0 20px; max-width: 1200px; margin: 0 auto; }
        .logo { display: inline-flex; align-items: center; gap: 12px; }
        .logo img { height: 40px; width: auto; max-width: 160px; object-fit: contain; }
        .logo span { font-size: 22px; font-weight: 800; color: #fff; white-space: nowrap; }
        .desktop-nav { display: flex; gap: 30px; }
        .desktop-nav a:hover { opacity: 0.8; }
        .header-actions .btn { padding: 8px 20px; border: 2px solid #fff; border-radius: 6px; }
        .mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 5px; flex-direction: column; gap: 5px; }
        .mobile-toggle span { display: block; width: 24px; height: 2px; background-color: #fff; }
        
        .drawer { position: fixed; inset: 0; z-index: 1000; pointer-events: none; visibility: hidden; }
        .drawer.active { pointer-events: auto; visibility: visible; }
        .drawer-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.5); opacity: 0; transition: 0.3s; }
        .drawer.active .drawer-overlay { opacity: 1; }
        .drawer-content { position: absolute; top: 0; bottom: 0; left: 0; width: 280px; background: #fff; transform: translateX(-100%); transition: 0.3s; display: flex; flex-direction: column; }
        .drawer.active .drawer-content { transform: translateX(0); }
        .drawer-header { padding: 20px; background: var(--primary); display: flex; justify-content: space-between; }
        .drawer-header .logo span { color: #fff; font-size: 18px; }
        .drawer-close { background: none; border: none; font-size: 28px; color: #fff; }
        .drawer-nav { padding: 20px; display: flex; flex-direction: column; gap: 15px; }
        
        
        .dl-hero { background: var(--primary); color: #fff; padding: 80px 20px; overflow: hidden; position: relative; }
        .dl-container { max-width: 1000px; margin: 0 auto; display: flex; align-items: center; gap: 60px; }
        .dl-text { flex: 1; }
        .dl-text h1 { font-size: 42px; margin-bottom: 20px; line-height: 1.2; }
        .dl-text p { font-size: 18px; opacity: 0.9; margin-bottom: 40px; }
        .dl-actions { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
        .dl-btn { background: var(--accent); color: #fff; padding: 15px 30px; border-radius: 8px; font-size: 18px; font-weight: bold; display: inline-flex; align-items: center; gap: 10px; transition: 0.3s; }
        .dl-btn:hover { background: #d62828; transform: translateY(-3px); box-shadow: 0 10px 20px rgba(230,57,70,0.3); }
        .dl-qrcode { background: #fff; padding: 10px; border-radius: 8px; text-align: center; color: #333; }
        .dl-qrcode img { width: 100px; height: 100px; background: #eee; margin-bottom: 5px; }
        
        .dl-visual { width: 300px; position: relative; }
        .phone-mockup { width: 100%; height: 500px; border: 12px solid #222; border-radius: 36px; background: #fff; position: relative; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
        .phone-notch { position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 120px; height: 25px; background: #222; border-bottom-left-radius: 12px; border-bottom-right-radius: 12px; }
        .phone-screen { padding: 40px 20px; text-align: center; }
        .phone-screen .mock-chart { height: 150px; background: linear-gradient(to bottom, #f0f4f8, #fff); border-radius: 8px; margin-top: 20px; border: 1px solid #e2e8f0; }
        
        .steps-section { padding: 80px 20px; background: #fff; }
        .steps-wrap { max-width: 1000px; margin: 0 auto; }
        .steps-title { text-align: center; font-size: 28px; margin-bottom: 50px; color: var(--primary); }
        .step-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .step-card { text-align: center; padding: 30px; border: 1px solid #eee; border-radius: 12px; background: var(--bg); position: relative; }
        .step-num { width: 40px; height: 40px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: bold; margin: -50px auto 20px; border: 4px solid #fff; }
        
        .site-footer { background-color: var(--primary-dark); color: #d1d5db; padding: 60px 0 20px 0; }
        .footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding: 0 20px 40px; }
        .footer-brand .logo span { color: #fff; }
        .footer-title { color: #fff; font-size: 18px; margin-bottom: 20px; }
        .footer-links ul { display: flex; flex-direction: column; gap: 10px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); text-align: center; padding-top: 20px; font-size: 14px; }

        @media (max-width: 900px) {
            .dl-container { flex-direction: column; text-align: center; }
            .dl-actions { justify-content: center; }
            .step-cards { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .desktop-nav, .header-actions .btn { display: none; }
            .mobile-toggle { display: flex; }
            .footer-grid { grid-template-columns: 1fr; }
        }