:root { --primary: rgb(15,157,88); --primary-hover: #0c8248; --text-main: #333333; --bg-body: #f4fdf8; --bg-white: #ffffff; --border-color: #eaeaea; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: sans-serif; color: var(--text-main); background-color: var(--bg-body); line-height: 1.6; }
        a { text-decoration: none; color: inherit; }
        ul, li { list-style: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        
        
        .site-header { background: var(--bg-white); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
        .logo { display: inline-flex; align-items: center; gap: 12px; }
        .logo img { display: block; height: 36px; max-width: 160px; object-fit: contain; }
        .logo span { font-size: 20px; font-weight: 800; color: var(--text-main); white-space: nowrap; }
        .desktop-nav { display: flex; gap: 30px; }
        .desktop-nav a { font-size: 16px; font-weight: 500; }
        .header-action { display: flex; gap: 16px; }
        .btn { padding: 10px 24px; border-radius: 8px; font-weight: 600; cursor: pointer; border: none; }
        .btn-primary { background: var(--primary); color: #fff; }
        .mobile-menu-toggle { display: none; background: none; border: none; font-size: 24px; }
        
        .mobile-drawer { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 1000; visibility: hidden; pointer-events: none; }
        .mobile-drawer.active { visibility: visible; pointer-events: auto; }
        .drawer-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); }
        .drawer-content { position: absolute; top: 0; left: -300px; width: 280px; height: 100%; background: var(--bg-white); transition: left 0.3s; display: flex; flex-direction: column; }
        .mobile-drawer.active .drawer-content { left: 0; }
        .drawer-header { padding: 20px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); }
        .drawer-close { background: none; border: none; font-size: 28px; }
        .drawer-nav { padding: 20px 0; overflow-y: auto; }
        .drawer-nav a { display: block; padding: 12px 24px; border-bottom: 1px solid #f0f0f0; }

        
        .dl-hero { padding: 100px 0; display: flex; align-items: center; gap: 80px; }
        .dl-text { flex: 1; }
        .dl-title { font-size: 48px; font-weight: 800; margin-bottom: 20px; color: #111; }
        .dl-desc { font-size: 18px; color: #666; margin-bottom: 40px; }
        .dl-buttons { display: flex; gap: 20px; margin-bottom: 40px; }
        .dl-btn { display: flex; align-items: center; gap: 12px; padding: 16px 32px; background: var(--bg-white); border: 2px solid var(--primary); border-radius: 12px; font-size: 18px; font-weight: bold; color: var(--primary); transition: all 0.3s; }
        .dl-btn:hover { background: var(--primary); color: #fff; }
        .dl-btn svg { width: 24px; height: 24px; fill: currentColor; }
        .qr-box { display: flex; align-items: center; gap: 20px; background: #fff; padding: 20px; border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); display: inline-flex; }
        .qr-placeholder { width: 100px; height: 100px; background: #f0f0f0; display: flex; align-items: center; justify-content: center; border-radius: 8px; font-size: 12px; color: #999; }
        .dl-visual { flex: 1; position: relative; }
        .dl-visual img { border-radius: 30px; box-shadow: 0 20px 40px rgba(15,157,88,0.2); border: 8px solid #fff; }

        .dl-steps { padding: 80px 0; background: #fff; text-align: center; }
        .step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 50px; }
        .step-card { padding: 30px; }
        .step-icon { width: 60px; height: 60px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: bold; margin: 0 auto 20px; }

        .site-footer { background: #1a1a1a; color: #999; padding: 60px 0 20px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo span { color: #fff; }
        .footer-links h3 { color: #fff; margin-bottom: 20px; }

        @media (max-width: 992px) {
            .desktop-nav, .header-action .btn { display: none; }
            .mobile-menu-toggle { display: block; }
            .dl-hero { flex-direction: column; text-align: center; padding: 60px 0; }
            .dl-buttons { justify-content: center; }
            .step-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }