* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
            min-height: 100vh;
            color: #1a2a3a;
            line-height: 1.5;
        }

        /* Контейнер как в админ-панели — широкий, но с отступами */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1.5rem;
        }

        /* Навигация — чисто, без изысков */
        .nav {
            background: white;
            border-radius: 20px;
            padding: 0.75rem 1.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
            display: flex;
            gap: 2rem;
            flex-wrap: wrap;
            align-items: baseline;
        }

        .nav a {
            text-decoration: none;
            color: #115ede;
            font-weight: 500;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }

        .nav a.active {
            border-bottom-color: #115ede;
            color: #0a3d8f;
        }

        /* Карточки как в админ-панели (но без теней-переборов) */
        .card {
            background: white;
            border-radius: 24px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 2px 6px rgba(0,0,0,0.04);
        }

        /* Градиент как в иконке — используем тот же */
        .app-icon {
            width: 96px;
            height: 96px;
            background: linear-gradient(180deg, #4FA9E6, #115ede);
            border-radius: 24px;
            display: inline-flex;
            align-items: start;
            justify-content: start;
            margin-bottom: 1.5rem;
        }

        /* Силуэт ингалятора (минималистичный) */
        .inhaler-icon {
            width: 56px;
            height: 56px;
            position: relative;
        }

        h1 {
            font-size: 2.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #0a2b44;
        }

        h2 {
            font-size: 1.6rem;
            font-weight: 500;
            margin-bottom: 1.25rem;
            color: #1e3a5f;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin-top: 1rem;
        }

        .feature-item {
            background: #f8fafc;
            padding: 1.25rem;
            border-radius: 20px;
            border-left: 3px solid #4FA9E6;
        }

        .btn {
            display: inline-block;
            background: #115ede;
            color: white;
            font-weight: 600;
            padding: 0.9rem 2rem;
            border-radius: 60px;
            text-decoration: none;
            font-size: 1.1rem;
            transition: 0.2s;
            border: none;
            cursor: pointer;
        }

        .btn:hover {
            background: #0e4cb5;
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid #115ede;
            color: #115ede;
        }

        .btn-outline:hover {
            background: #eef4ff;
        }

        .version-badge {
            background: #e9ecef;
            padding: 0.2rem 0.8rem;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            color: #2c3e50;
        }

	img.qr-code {
	    width: 200px;
  	    height: 200px;
	    image-rendering: pixelated;
	}

        footer {
            text-align: center;
            padding: 2rem 0 1rem;
            color: #5a6e7c;
            font-size: 0.85rem;
            border-top: 1px solid rgba(0,0,0,0.05);
            margin-top: 2rem;
        }

        @media (max-width: 640px) {
            .container {
                padding: 1rem;
            }
            .card {
                padding: 1.5rem;
            }
            h1 {
                font-size: 1.8rem;
            }
        }