:root { --primary-color: rgb(189,147,249); --primary-hover: #cda8fa; --bg-base: #111116; --bg-card: #1a1a24; --text-main: #f8f8f2; --text-muted: #8b8b9f; --border-color: rgba(255, 255, 255, 0.08); --radius-md: 12px; --transition: all 0.3s ease; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, sans-serif; background-color: var(--bg-base); color: var(--text-main); line-height: 1.6; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        ul, li { list-style: none; }
        img { max-width: 100%; display: block; }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        
        .btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 28px; font-size: 16px; font-weight: 600; border-radius: 8px; cursor: pointer; transition: var(--transition); gap: 8px; }
        .btn-primary { background-color: var(--primary-color); color: #000; box-shadow: 0 4px 16px rgba(189,147,249,0.3); }
        .btn-primary:hover { background-color: var(--primary-hover); transform: translateY(-2px); }

        
        .header { position: fixed; top: 0; left: 0; right: 0; height: 72px; background: rgba(17, 17, 22, 0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); z-index: 100; display: flex; align-items: center; }
        .header-inner { width: 100%; display: flex; align-items: center; justify-content: space-between; }
        .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
        .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; }
        .nav-desktop { display: flex; align-items: center; gap: 32px; }
        .nav-desktop a { font-size: 15px; font-weight: 500; color: var(--text-muted); }
        .nav-desktop a:hover { color: var(--primary-color); }
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .menu-toggle { display: none; background: none; border: none; color: var(--text-main); font-size: 24px; cursor: pointer; }

        
        .drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); z-index: 999; opacity: 0; visibility: hidden; transition: var(--transition); }
        .drawer { position: fixed; top: 0; left: -300px; bottom: 0; width: 280px; background: var(--bg-base); border-right: 1px solid var(--border-color); z-index: 1000; transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1); display: flex; flex-direction: column; }
        .drawer.active { transform: translateX(300px); }
        .drawer-overlay.active { opacity: 1; visibility: visible; }
        .drawer-header { padding: 24px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
        .drawer-close { background: none; border: none; color: var(--text-muted); font-size: 28px; cursor: pointer; }
        .drawer-nav { padding: 24px; overflow-y: auto; flex: 1; }
        .drawer-nav a { display: block; padding: 16px 0; font-size: 16px; border-bottom: 1px solid var(--border-color); color: var(--text-main); }

        
        .dl-hero { padding: 160px 0 100px; background: radial-gradient(circle at 80% 50%, rgba(189,147,249,0.1) 0%, transparent 50%); }
        .dl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .dl-content h1 { font-size: 48px; margin-bottom: 24px; line-height: 1.2; }
        .dl-content p { font-size: 18px; color: var(--text-muted); margin-bottom: 40px; }
        
        .dl-actions { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 40px; }
        .dl-btn { flex: 1; min-width: 200px; padding: 16px 24px; display: flex; align-items: center; gap: 16px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 16px; transition: var(--transition); cursor: pointer; }
        .dl-btn:hover { border-color: var(--primary-color); background: rgba(189,147,249,0.05); transform: translateY(-4px); }
        .dl-btn svg { width: 32px; height: 32px; fill: var(--text-main); }
        .dl-btn-text { text-align: left; }
        .dl-btn-text .small { font-size: 12px; color: var(--text-muted); display: block; }
        .dl-btn-text .big { font-size: 18px; font-weight: bold; display: block; }

        .dl-qr { display: flex; align-items: center; gap: 24px; padding-top: 32px; border-top: 1px solid var(--border-color); }
        .qr-box { width: 120px; height: 120px; background: #fff; padding: 8px; border-radius: 12px; border: 4px solid var(--primary-color); display: flex; align-items: center; justify-content: center; }
        .qr-box img { width: 100%; height: 100%; object-fit: contain; } 

        .dl-visual { position: relative; text-align: center; }
        .dl-visual img { max-width: 320px; margin: 0 auto; filter: drop-shadow(0 20px 40px rgba(189,147,249,0.3)); }

        
        .steps-section { background: var(--bg-card); padding: 80px 0; border-top: 1px solid var(--border-color); }
        .section-title { text-align: center; font-size: 32px; margin-bottom: 48px; }
        .step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
        .step-card { text-align: center; position: relative; }
        .step-num { width: 48px; height: 48px; background: var(--primary-color); color: #000; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 24px; font-weight: bold; margin: 0 auto 24px; z-index: 2; position: relative; }
        .step-card h3 { font-size: 20px; margin-bottom: 12px; }
        .step-card p { color: var(--text-muted); font-size: 14px; }
        .step-card:not(:last-child)::after { content: ''; position: absolute; top: 24px; right: -50%; width: 100%; height: 2px; background: dashed 2px var(--border-color); z-index: 1; }

        
        .footer { background: #0a0a0f; padding: 80px 0 40px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 64px; }
        .footer-brand p { color: var(--text-muted); margin-top: 20px; font-size: 14px; max-width: 320px; }
        .footer-title { font-size: 16px; font-weight: 600; margin-bottom: 24px; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a { color: var(--text-muted); font-size: 14px; transition: var(--transition); }
        .footer-links a:hover { color: var(--primary-color); }
        .footer-bottom { padding-top: 32px; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; font-size: 14px; color: var(--text-muted); }

        @media (max-width: 1024px) {
            .dl-grid { grid-template-columns: 1fr; text-align: center; }
            .dl-actions { justify-content: center; }
            .dl-qr { justify-content: center; }
            .step-grid { grid-template-columns: 1fr; }
            .step-card:not(:last-child)::after { display: none; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-desktop, .header-actions .btn { display: none; }
            .menu-toggle { display: block; }
            .dl-content h1 { font-size: 36px; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
        }