body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .header {
            width: 100%;
            padding: 20px;
            background: rgba(0, 0, 0, 0.3);
            display: flex;
            justify-content: space-between;
            align-items: center;
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 100;
            box-sizing: border-box;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            color: #ff2e63;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-align: center;
        }

        .lang-switch {
            display: flex;
            gap: 10px;
            background: rgba(255, 255, 255, 0.1);
            padding: 5px 10px;
            border-radius: 20px;
            backdrop-filter: blur(5px);
        }

        .lang-switch span {
            cursor: pointer;
            padding: 5px 10px;
            border-radius: 15px;
            font-size: 14px;
            font-weight: 600;
            color: #ccc;
            transition: all 0.3s ease;
        }

        .lang-switch span.active {
            background: #ff2e63;
            color: #fff;
        }

        .main-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px;
            text-align: center;
            max-width: 800px;
            width: 100%;
        }

        h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            background: linear-gradient(45deg, #ff2e63, #ff9999);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 20px rgba(255, 46, 99, 0.3);
        }

        .description {
            font-size: 1.2rem;
            line-height: 1.6;
            color: #e0e0e0;
            margin-bottom: 40px;
        }

        /* Slider Styles */
        .slider-container {
            width: 100%;
            max-width: 600px;
            /* Увеличено для отображения без обрезки */
            margin: 0 auto 30px;
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            /* Убрано жесткое соотношение сторон */
        }

        .slides {
            display: flex;
            transition: transform 0.5s ease-in-out;
            height: auto;
            /* Высота подстраивается под контент */
        }

        .slide {
            min-width: 100%;
            height: auto;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .slide img {
            width: 100%;
            height: auto;
            object-fit: contain;
            /* Сохраняет пропорции, не обрезая */
            display: block;
            border-radius: 15px;
            /* Чтобы углы были закруглены */
        }

        /* Optional: Navigation dots */
        .slider-dots {
            position: absolute;
            bottom: 15px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
        }

        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: background 0.3s;
        }

        .dot.active {
            background: #ff2e63;
        }

        .download-btn {
            background: #ff2e63;
            color: white;
            text-decoration: none;
            padding: 18px 40px;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: bold;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(255, 46, 99, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            animation: pulse 2s infinite;
        }

        .download-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(255, 46, 99, 0.6);
            background: #ff4775;
        }

        .btn-subtext {
            margin-top: 15px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 350px;
            line-height: 1.4;
        }

        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 60px;
            width: 100%;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: 15px;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.08);
        }

        .feature-icon {
            font-size: 2rem;
            margin-bottom: 15px;
        }

        .feature-title {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 10px;
            color: #fff;
        }

        .feature-text {
            color: #aaa;
            font-size: 0.9rem;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 46, 99, 0.7);
            }

            70% {
                box-shadow: 0 0 0 15px rgba(255, 46, 99, 0);
            }

            100% {
                box-shadow: 0 0 0 0 rgba(255, 46, 99, 0);
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }

            .description {
                font-size: 1rem;
            }

            .features {
                grid-template-columns: 1fr;
            }
        }