body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background-color: #000;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.main-container {
    width: 100%;
    max-width: 480px;
    background: #121212;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

.slider-container {
    width: 100%;
    height: 60vh;
    overflow: hidden;
    position: relative;
    background: #000;
}

.slider-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.slider-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slider-img.active {
    opacity: 1;
}

.content-block {
    padding: 24px;
    text-align: center;
    background: linear-gradient(to bottom, #121212, #1e1e1e);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    margin-top: -20px;
    position: relative;
    z-index: 10;
}

.app-title {
    font-size: 32px;
    font-weight: 700;
    margin: 0 0 12px 0;
    background: linear-gradient(45deg, #ff0050, #00f2ea);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.app-desc {
    font-size: 18px;
    color: #ccc;
    margin: 0 0 32px 0;
    line-height: 1.5;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fe2c55;
    color: white;
    text-decoration: none;
    font-size: 20px;
    font-weight: 700;
    padding: 16px 48px;
    border-radius: 30px;
    box-shadow: 0 4px 15px rgba(254, 44, 85, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    max-width: 300px;
    border: none;
    cursor: pointer;
}

.download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(254, 44, 85, 0.6);
    background: #e6254a;
}

.download-btn:active {
    transform: scale(0.98);
}

.file-info {
    margin-top: 12px;
    font-size: 14px;
    color: #666;
}

.no-images {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #666;
}